Errors when installing imagecodes and scikit-image

Continuing the discussion from Install scikit-image:

 sudo pip3 install scikit-image
[sudo] password for agx: 
WARNING: The directory '/home/agx/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you should use sudo's -H flag.
Collecting scikit-image
  Downloading scikit-image-0.17.2.tar.gz (29.8 MB)
     |████████████████████████████████| 29.8 MB 1.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_24942c0df2e549cfa94e9f3c2b843cf1/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_24942c0df2e549cfa94e9f3c2b843cf1/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-ccnt77vt
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_24942c0df2e549cfa94e9f3c2b843cf1/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/54/fd/c1b0bb8f6f12ef9b4ee8d7674dac82cd482886f8b5cd165631efa533e237/scikit-image-0.17.2.tar.gz#sha256=bd954c0588f0f7e81d9763dc95e06950e68247d540476e06cb77bcbcd8c2d8b3 (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.6). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.17.1.tar.gz (29.8 MB)
     |████████████████████████████████| 29.8 MB 4.6 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_edfb9d9dce934426b5d46142eb5fc031/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_edfb9d9dce934426b5d46142eb5fc031/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-e4s97fw6
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_edfb9d9dce934426b5d46142eb5fc031/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/3d/b3/b9fdd4dead798cf9c654f2ffee24caa8e398ee27921914539d1e5525b754/scikit-image-0.17.1.tar.gz#sha256=1e2e2cf2572549bdb20b88a0f0ac275eea9f04f78b2b6973afdc3f329a73c75c (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.6). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.16.2.tar.gz (28.9 MB)
     |████████████████████████████████| 28.9 MB 1.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_a7064203dfbb422280f7cd3441c34e0e/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_a7064203dfbb422280f7cd3441c34e0e/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-gy3l9yki
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_a7064203dfbb422280f7cd3441c34e0e/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/07/ed/58a5157aa484c6aa4e33d4190fa235ce0c4a78010ddf592af4fc257b539f/scikit-image-0.16.2.tar.gz#sha256=dd7fbd32da74d4e9967dc15845f731f16e7966cee61f5dc0e12e2abb1305068c (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.6). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.15.0.tar.gz (32.3 MB)
     |████████████████████████████████| 32.3 MB 3.6 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_6c383eb22bc742b1a984f413f8eb76cb/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_6c383eb22bc742b1a984f413f8eb76cb/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-a6fv1t36
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_6c383eb22bc742b1a984f413f8eb76cb/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/e0/46/ca035f5d7d3414124a3a5ef22cd2e75c0c5149042a668375f1d44eb69f8f/scikit-image-0.15.0.tar.gz#sha256=df111e654b47e5ea456c50553debe4c5ddd97258894c7ad3b7f2f9f10798e053 (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.5). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.14.5.tar.gz (28.3 MB)
     |████████████████████████████████| 28.3 MB 4.9 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_3b5be6a584e643bca5f44a0d3b3ca534/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_3b5be6a584e643bca5f44a0d3b3ca534/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-kqu5_wh4
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_3b5be6a584e643bca5f44a0d3b3ca534/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/37/1e/26a39d9a88458eaefbab790596a19364604816e3fa5bee9618239356df50/scikit-image-0.14.5.tar.gz#sha256=1f064315cd6fb048560ac6eb03e41969aab68f9df5c145fefaece3b6823e5919 (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.14.3.tar.gz (27.3 MB)
     |████████████████████████████████| 27.3 MB 6.1 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_0cacf19d1a404ecc8951a9a4a3349835/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_0cacf19d1a404ecc8951a9a4a3349835/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-69e4lno9
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_0cacf19d1a404ecc8951a9a4a3349835/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/36/ae/7988e65bb8accb894ffb3ed97ff572f9f85eacc737c03cd954b89809ca49/scikit-image-0.14.3.tar.gz#sha256=f05eab2df885fb6fde3df0e4d24c9c620d6474ea0eb949fd45f6f634925dd514 (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.14.2.tar.gz (27.8 MB)
     |████████████████████████████████| 27.8 MB 1.7 MB/s            
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmphqloj073
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_bcecf6d25baf4fd69e0125010f3f5573
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/7f/bd/74ed9add17c3c7529c18693c17846753649c6cf2e674e7482fbf85d636cb/scikit-image-0.14.2.tar.gz#sha256=1afd0b84eefd77afd1071c5c1c402553d67be2d7db8950b32d6f773f25850c1f (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7). Command errored out with exit status -4: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmphqloj073 Check the logs for full command output.
  Downloading scikit-image-0.14.1.tar.gz (27.5 MB)
     |████████████████████████████████| 27.5 MB 4.2 MB/s            
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmpk9v16948
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_0b205f693b7a44fe92ee0ed0075181db
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/a4/5d/05d40ad281cb16bc9dbd91982a918162b374c43e84eb2c8f7070e4be6729/scikit-image-0.14.1.tar.gz#sha256=86a9b3b4f74f231e0a6bcfd3235dcf3f0118df25dac21201da5e064d681e2c50 (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7). Command errored out with exit status -4: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmpk9v16948 Check the logs for full command output.
  Downloading scikit-image-0.14.0.tar.gz (27.0 MB)
     |████████████████████████████████| 27.0 MB 1.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_714042ba7d9c4f61a9450b9304aed6aa/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_714042ba7d9c4f61a9450b9304aed6aa/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-tw2mm61o
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_714042ba7d9c4f61a9450b9304aed6aa/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/fc/20/d3e736493b16e9455ce8579722d644b313814c599d5824d34e448845f746/scikit-image-0.14.0.tar.gz#sha256=325f75eb80fbc5371136e37f323445309ca9f65b6c6f718d0d0e2189e5de1224 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.13.1.tar.gz (26.1 MB)
     |████████████████████████████████| 26.1 MB 5.4 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e1a41d1d03e4a06a956ae3ccad58ea0/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e1a41d1d03e4a06a956ae3ccad58ea0/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-qtmoyryk
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_2e1a41d1d03e4a06a956ae3ccad58ea0/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/83/2a/c5a39c12c196c19a443fa4d17c0768a24231e46ae952930a9d66bad45557/scikit-image-0.13.1.tar.gz#sha256=353879ddf7483f4621872c49cd9bc8a0ad1c3154ac0670b70799922f4cb899e8 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.13.0.tar.gz (26.1 MB)
     |████████████████████████████████| 26.1 MB 5.7 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_2ddd076cbfce47c5a6b5191f9b70a9ee/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_2ddd076cbfce47c5a6b5191f9b70a9ee/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-ecumgc5a
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_2ddd076cbfce47c5a6b5191f9b70a9ee/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/f0/a2/918366ba9095ed4c07646be903c795f375d978ee418136eecb0571559719/scikit-image-0.13.0.tar.gz#sha256=77a636bdc08c7668a15951894548c527f0c8c5c2abc86cb850de17551af51e3e (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.3.tar.gz (20.7 MB)
     |████████████████████████████████| 20.7 MB 3.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_50d2d2bec81c4de1afb8aab8fa1c1b40/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_50d2d2bec81c4de1afb8aab8fa1c1b40/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-yoqpsk_h
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_50d2d2bec81c4de1afb8aab8fa1c1b40/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/86/d0/b0192dc9a544da90f2d9150bcd84b981c6873e42a1f752b6affb89180ad8/scikit-image-0.12.3.tar.gz#sha256=82da192f0e524701e89c5379c79200bc6dc21373f48bf7778a864c583897d7c7 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.2.tar.gz (20.6 MB)
     |████████████████████████████████| 20.6 MB 5.4 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_719919992f1d4966b05341d87e39bb7a/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_719919992f1d4966b05341d87e39bb7a/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-54jflmwp
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_719919992f1d4966b05341d87e39bb7a/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/a4/52/b14e49a77cd803523e457cba17779e06bb76260c27f9d14627b392a75c46/scikit-image-0.12.2.tar.gz#sha256=c8f31cb6bccbb5c43d531cf229ca53740237d2615249deeec74a802438d12c38 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.1.tar.gz (22.5 MB)
     |████████████████████████████████| 22.5 MB 3.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_88515b77026f45daa4ef2c4f67dc4ef7/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_88515b77026f45daa4ef2c4f67dc4ef7/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-p_8_qn7_
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_88515b77026f45daa4ef2c4f67dc4ef7/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/4f/ff/b3da731252c1250ddf1db011e74450bb2fc11c85757ce19c3b2316031637/scikit-image-0.12.1.tar.gz#sha256=ae1ecc557c74b62d1f7a23d1204a46c760ea9f652db1302449b6a63630520056 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.0.tar.gz (22.5 MB)
     |████████████████████████████████| 22.5 MB 6.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_8ffe1f6b3fb24c818e9b21725d9aebf8/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_8ffe1f6b3fb24c818e9b21725d9aebf8/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-i4h27rgk
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_8ffe1f6b3fb24c818e9b21725d9aebf8/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/62/ee/6873169dc56873d0f7d4f1ff7a6606bbda298a1ec394de94421722d75af3/scikit-image-0.12.0.tar.gz#sha256=441e864d7327204d2d633d9b63e75a29fcba8ef36264d719ed5bb7aa1d2c81ab (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.11.3.tar.gz (18.6 MB)
     |████████████████████████████████| 18.6 MB 1.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_1166b4e1cede49b8a362e64d19e2089b/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_1166b4e1cede49b8a362e64d19e2089b/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-gbqrccj3
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_1166b4e1cede49b8a362e64d19e2089b/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/02/67/7f44f79b981413d72ffe505c3fa06f9d0c20a2ad944503bf7395deb7930d/scikit-image-0.11.3.tar.gz#sha256=768e568f3299966c294b7eb8cd114fc648f7bfaef422ee9cc750dd8d9d09e44b (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.11.2.tar.gz (18.6 MB)
     |████████████████████████████████| 18.6 MB 4.9 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_a4c750764f564aefa1dde1adda8fa766/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_a4c750764f564aefa1dde1adda8fa766/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-239uy7a8
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_a4c750764f564aefa1dde1adda8fa766/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/8f/c1/4fd04874e26bbf277f9c309ae7cd8de3bc22c28fbd0d8d854c7721204204/scikit-image-0.11.2.tar.gz#sha256=d47be27d9e833ac50aadb52390c6b41792e33e1544ebdf6b449e604cbe09c712 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.10.1.tar.gz (16.7 MB)
     |████████████████████████████████| 16.7 MB 2.0 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_8bb62a27b3da44b68745a008fd7f5fb7/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_8bb62a27b3da44b68745a008fd7f5fb7/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-qznzybep
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_8bb62a27b3da44b68745a008fd7f5fb7/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/df/26/e87ebb6c083d8c647478ac2a0e2bef59f8543bd01e35888590a9457d0a5b/scikit-image-0.10.1.tar.gz#sha256=83a1afcc16df75ff27237f84841a95c8f65c4e19ffd64849faa540aab48a5ab7 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.10.0.tar.gz (9.1 MB)
     |████████████████████████████████| 9.1 MB 3.6 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_e6e7721f53054e3bb841292423906239/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_e6e7721f53054e3bb841292423906239/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-y104nbx8
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_e6e7721f53054e3bb841292423906239/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/0a/de/7215ae67b3935906ad4e3cc4b384c9b7c0cdc1d5b3a0d71b1b2ac73e9495/scikit-image-0.10.0.tar.gz#sha256=83995570f11654b47d0a0d50ae8b4d11a0de97a44ae195a4c04ba4f10b9dd7f8 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.9.3.tar.gz (7.8 MB)
     |████████████████████████████████| 7.8 MB 3.0 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_f146fd987c764f71bede479c31cc43df/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_f146fd987c764f71bede479c31cc43df/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-givfirhp
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_f146fd987c764f71bede479c31cc43df/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/71/e7/881fa2b6195141a2b91035b63ff78a6f11c5dbec5d39b012e9fadc193a95/scikit-image-0.9.3.tar.gz#sha256=2c29c65aacdfc056efd0a3b713b5dde666356ffb39e5e2bad3e0d6dbb62524b3 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.9.1.tar.gz (7.8 MB)
     |████████████████████████████████| 7.8 MB 5.1 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_23526bc855a74ca49cf194cdab9abbdf/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_23526bc855a74ca49cf194cdab9abbdf/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-207hrbki
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_23526bc855a74ca49cf194cdab9abbdf/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/ce/54/c03a9d02ac4da5f793f10d6dfb9d5a4b80bb62288385dfaf1dd117054494/scikit-image-0.9.1.tar.gz#sha256=a0346b11830b57e85add95595a69f5f6bb82d7fdb7d6a9f28471176c700300b5 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.9.0.tar.gz (7.8 MB)
     |████████████████████████████████| 7.8 MB 340 kB/s             
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e5195b06999425dac4c59a2de82ed1c/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e5195b06999425dac4c59a2de82ed1c/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-0ap89waf
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_2e5195b06999425dac4c59a2de82ed1c/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/f1/e3/21e5548c578a0ab2708fcd5adcb3c13b5087d1398de6bbbb82dde7cf9634/scikit-image-0.9.0.tar.gz#sha256=4f6a9426e55eae3d51baa5281cbc8c1452a2facf6961fb3dfce6f82c3ac7763e (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.8.2.tar.gz (4.9 MB)
     |████████████████████████████████| 4.9 MB 2.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_73aa381d33744b6994335abc252ea049/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_73aa381d33744b6994335abc252ea049/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-m4gws5rt
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_73aa381d33744b6994335abc252ea049/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/31/df/d2eeb6a1319b5ae626019d9a901f11083c1dfe3b437159fd09e6d61c2ac8/scikit-image-0.8.2.tar.gz#sha256=df078f18f9dde7b354b6524cc85b6e78bc5c42a8851a173609052f7c7d4e0846 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.8.1.tar.gz (4.9 MB)
     |████████████████████████████████| 4.9 MB 1.7 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_a2f66bbb516240f1a9c144ae1220dcdf/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_a2f66bbb516240f1a9c144ae1220dcdf/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-bxbv3nau
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_a2f66bbb516240f1a9c144ae1220dcdf/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/77/20/ee5be6bdb80d4dcc45076a194a79c3590b8a1c4ca1b75b8fdf87cf16a8f4/scikit-image-0.8.1.tar.gz#sha256=bc99111b431244ff9c33c664d40faa56357d43c3de02e671d7771da311a164c6 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.8.0.tar.gz (4.9 MB)
     |████████████████████████████████| 4.9 MB 2.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_1834d96de9a5442e95a760da6d1563f7/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_1834d96de9a5442e95a760da6d1563f7/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-ohssdkk9
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_1834d96de9a5442e95a760da6d1563f7/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/85/e3/f71e8fc4f15a4f64feeaaf8b84b2fce5824222bee3d3fe632504d3404a72/scikit-image-0.8.0.tar.gz#sha256=3f4cdcb404ad808cdd69f54c4f9893727952a13948c4a1485d5ca99d41b88e00 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.7.2.tar.gz (4.5 MB)
     |████████████████████████████████| 4.5 MB 5.1 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_62ed6bbb9c124384a317c5ec816d29fc/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_62ed6bbb9c124384a317c5ec816d29fc/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-t41xdw8a
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_62ed6bbb9c124384a317c5ec816d29fc/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/2e/2d/f8a2f9e135d716a66328f48711445795a97bc470f9ddf2cf0b762f9fbb89/scikit-image-0.7.2.tar.gz#sha256=dad28ba772ccd1ddf70a72c3ecfbf27eb1a7ddf7b2e46e2ce567fc0c6b603931 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
ERROR: Could not find a version that satisfies the requirement scikit-image (from versions: 0.7.2, 0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.9.1, 0.9.3, 0.10.0, 0.10.1, 0.11.2, 0.11.3, 0.12.0, 0.12.1, 0.12.2, 0.12.3, 0.13.0, 0.13.1, 0.14.0, 0.14.1, 0.14.2, 0.14.3, 0.14.5, 0.15.0, 0.16.2, 0.17.1, 0.17.2, 0.18.0rc0, 0.18.0rc1)
ERROR: No matching distribution found for scikit-image

sudo pip3 install scikit-image
[sudo] password for agx: 
WARNING: The directory '/home/agx/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you should use sudo's -H flag.
Collecting scikit-image
  Downloading scikit-image-0.17.2.tar.gz (29.8 MB)
     |████████████████████████████████| 29.8 MB 1.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_24942c0df2e549cfa94e9f3c2b843cf1/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_24942c0df2e549cfa94e9f3c2b843cf1/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-ccnt77vt
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_24942c0df2e549cfa94e9f3c2b843cf1/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/54/fd/c1b0bb8f6f12ef9b4ee8d7674dac82cd482886f8b5cd165631efa533e237/scikit-image-0.17.2.tar.gz#sha256=bd954c0588f0f7e81d9763dc95e06950e68247d540476e06cb77bcbcd8c2d8b3 (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.6). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.17.1.tar.gz (29.8 MB)
     |████████████████████████████████| 29.8 MB 4.6 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_edfb9d9dce934426b5d46142eb5fc031/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_edfb9d9dce934426b5d46142eb5fc031/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-e4s97fw6
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_edfb9d9dce934426b5d46142eb5fc031/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/3d/b3/b9fdd4dead798cf9c654f2ffee24caa8e398ee27921914539d1e5525b754/scikit-image-0.17.1.tar.gz#sha256=1e2e2cf2572549bdb20b88a0f0ac275eea9f04f78b2b6973afdc3f329a73c75c (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.6). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.16.2.tar.gz (28.9 MB)
     |████████████████████████████████| 28.9 MB 1.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_a7064203dfbb422280f7cd3441c34e0e/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_a7064203dfbb422280f7cd3441c34e0e/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-gy3l9yki
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_a7064203dfbb422280f7cd3441c34e0e/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/07/ed/58a5157aa484c6aa4e33d4190fa235ce0c4a78010ddf592af4fc257b539f/scikit-image-0.16.2.tar.gz#sha256=dd7fbd32da74d4e9967dc15845f731f16e7966cee61f5dc0e12e2abb1305068c (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.6). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.15.0.tar.gz (32.3 MB)
     |████████████████████████████████| 32.3 MB 3.6 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_6c383eb22bc742b1a984f413f8eb76cb/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_6c383eb22bc742b1a984f413f8eb76cb/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-a6fv1t36
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_6c383eb22bc742b1a984f413f8eb76cb/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/e0/46/ca035f5d7d3414124a3a5ef22cd2e75c0c5149042a668375f1d44eb69f8f/scikit-image-0.15.0.tar.gz#sha256=df111e654b47e5ea456c50553debe4c5ddd97258894c7ad3b7f2f9f10798e053 (from https://pypi.org/simple/scikit-image/) (requires-python:>=3.5). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.14.5.tar.gz (28.3 MB)
     |████████████████████████████████| 28.3 MB 4.9 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_3b5be6a584e643bca5f44a0d3b3ca534/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_3b5be6a584e643bca5f44a0d3b3ca534/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-kqu5_wh4
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_3b5be6a584e643bca5f44a0d3b3ca534/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/37/1e/26a39d9a88458eaefbab790596a19364604816e3fa5bee9618239356df50/scikit-image-0.14.5.tar.gz#sha256=1f064315cd6fb048560ac6eb03e41969aab68f9df5c145fefaece3b6823e5919 (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.14.3.tar.gz (27.3 MB)
     |████████████████████████████████| 27.3 MB 6.1 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_0cacf19d1a404ecc8951a9a4a3349835/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_0cacf19d1a404ecc8951a9a4a3349835/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-69e4lno9
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_0cacf19d1a404ecc8951a9a4a3349835/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/36/ae/7988e65bb8accb894ffb3ed97ff572f9f85eacc737c03cd954b89809ca49/scikit-image-0.14.3.tar.gz#sha256=f05eab2df885fb6fde3df0e4d24c9c620d6474ea0eb949fd45f6f634925dd514 (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.14.2.tar.gz (27.8 MB)
     |████████████████████████████████| 27.8 MB 1.7 MB/s            
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmphqloj073
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_bcecf6d25baf4fd69e0125010f3f5573
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/7f/bd/74ed9add17c3c7529c18693c17846753649c6cf2e674e7482fbf85d636cb/scikit-image-0.14.2.tar.gz#sha256=1afd0b84eefd77afd1071c5c1c402553d67be2d7db8950b32d6f773f25850c1f (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7). Command errored out with exit status -4: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmphqloj073 Check the logs for full command output.
  Downloading scikit-image-0.14.1.tar.gz (27.5 MB)
     |████████████████████████████████| 27.5 MB 4.2 MB/s            
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmpk9v16948
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_0b205f693b7a44fe92ee0ed0075181db
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/a4/5d/05d40ad281cb16bc9dbd91982a918162b374c43e84eb2c8f7070e4be6729/scikit-image-0.14.1.tar.gz#sha256=86a9b3b4f74f231e0a6bcfd3235dcf3f0118df25dac21201da5e064d681e2c50 (from https://pypi.org/simple/scikit-image/) (requires-python:>=2.7). Command errored out with exit status -4: /usr/bin/python3 /usr/local/lib/python3.6/dist-packages/pip/_vendor/pep517/in_process/_in_process.py get_requires_for_build_wheel /tmp/tmpk9v16948 Check the logs for full command output.
  Downloading scikit-image-0.14.0.tar.gz (27.0 MB)
     |████████████████████████████████| 27.0 MB 1.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_714042ba7d9c4f61a9450b9304aed6aa/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_714042ba7d9c4f61a9450b9304aed6aa/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-tw2mm61o
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_714042ba7d9c4f61a9450b9304aed6aa/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/fc/20/d3e736493b16e9455ce8579722d644b313814c599d5824d34e448845f746/scikit-image-0.14.0.tar.gz#sha256=325f75eb80fbc5371136e37f323445309ca9f65b6c6f718d0d0e2189e5de1224 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.13.1.tar.gz (26.1 MB)
     |████████████████████████████████| 26.1 MB 5.4 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e1a41d1d03e4a06a956ae3ccad58ea0/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e1a41d1d03e4a06a956ae3ccad58ea0/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-qtmoyryk
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_2e1a41d1d03e4a06a956ae3ccad58ea0/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/83/2a/c5a39c12c196c19a443fa4d17c0768a24231e46ae952930a9d66bad45557/scikit-image-0.13.1.tar.gz#sha256=353879ddf7483f4621872c49cd9bc8a0ad1c3154ac0670b70799922f4cb899e8 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.13.0.tar.gz (26.1 MB)
     |████████████████████████████████| 26.1 MB 5.7 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_2ddd076cbfce47c5a6b5191f9b70a9ee/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_2ddd076cbfce47c5a6b5191f9b70a9ee/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-ecumgc5a
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_2ddd076cbfce47c5a6b5191f9b70a9ee/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/f0/a2/918366ba9095ed4c07646be903c795f375d978ee418136eecb0571559719/scikit-image-0.13.0.tar.gz#sha256=77a636bdc08c7668a15951894548c527f0c8c5c2abc86cb850de17551af51e3e (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.3.tar.gz (20.7 MB)
     |████████████████████████████████| 20.7 MB 3.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_50d2d2bec81c4de1afb8aab8fa1c1b40/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_50d2d2bec81c4de1afb8aab8fa1c1b40/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-yoqpsk_h
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_50d2d2bec81c4de1afb8aab8fa1c1b40/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/86/d0/b0192dc9a544da90f2d9150bcd84b981c6873e42a1f752b6affb89180ad8/scikit-image-0.12.3.tar.gz#sha256=82da192f0e524701e89c5379c79200bc6dc21373f48bf7778a864c583897d7c7 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.2.tar.gz (20.6 MB)
     |████████████████████████████████| 20.6 MB 5.4 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_719919992f1d4966b05341d87e39bb7a/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_719919992f1d4966b05341d87e39bb7a/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-54jflmwp
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_719919992f1d4966b05341d87e39bb7a/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/a4/52/b14e49a77cd803523e457cba17779e06bb76260c27f9d14627b392a75c46/scikit-image-0.12.2.tar.gz#sha256=c8f31cb6bccbb5c43d531cf229ca53740237d2615249deeec74a802438d12c38 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.1.tar.gz (22.5 MB)
     |████████████████████████████████| 22.5 MB 3.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_88515b77026f45daa4ef2c4f67dc4ef7/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_88515b77026f45daa4ef2c4f67dc4ef7/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-p_8_qn7_
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_88515b77026f45daa4ef2c4f67dc4ef7/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/4f/ff/b3da731252c1250ddf1db011e74450bb2fc11c85757ce19c3b2316031637/scikit-image-0.12.1.tar.gz#sha256=ae1ecc557c74b62d1f7a23d1204a46c760ea9f652db1302449b6a63630520056 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.12.0.tar.gz (22.5 MB)
     |████████████████████████████████| 22.5 MB 6.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_8ffe1f6b3fb24c818e9b21725d9aebf8/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_8ffe1f6b3fb24c818e9b21725d9aebf8/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-i4h27rgk
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_8ffe1f6b3fb24c818e9b21725d9aebf8/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/62/ee/6873169dc56873d0f7d4f1ff7a6606bbda298a1ec394de94421722d75af3/scikit-image-0.12.0.tar.gz#sha256=441e864d7327204d2d633d9b63e75a29fcba8ef36264d719ed5bb7aa1d2c81ab (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.11.3.tar.gz (18.6 MB)
     |████████████████████████████████| 18.6 MB 1.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_1166b4e1cede49b8a362e64d19e2089b/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_1166b4e1cede49b8a362e64d19e2089b/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-gbqrccj3
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_1166b4e1cede49b8a362e64d19e2089b/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/02/67/7f44f79b981413d72ffe505c3fa06f9d0c20a2ad944503bf7395deb7930d/scikit-image-0.11.3.tar.gz#sha256=768e568f3299966c294b7eb8cd114fc648f7bfaef422ee9cc750dd8d9d09e44b (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.11.2.tar.gz (18.6 MB)
     |████████████████████████████████| 18.6 MB 4.9 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_a4c750764f564aefa1dde1adda8fa766/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_a4c750764f564aefa1dde1adda8fa766/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-239uy7a8
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_a4c750764f564aefa1dde1adda8fa766/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/8f/c1/4fd04874e26bbf277f9c309ae7cd8de3bc22c28fbd0d8d854c7721204204/scikit-image-0.11.2.tar.gz#sha256=d47be27d9e833ac50aadb52390c6b41792e33e1544ebdf6b449e604cbe09c712 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.10.1.tar.gz (16.7 MB)
     |████████████████████████████████| 16.7 MB 2.0 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_8bb62a27b3da44b68745a008fd7f5fb7/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_8bb62a27b3da44b68745a008fd7f5fb7/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-qznzybep
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_8bb62a27b3da44b68745a008fd7f5fb7/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/df/26/e87ebb6c083d8c647478ac2a0e2bef59f8543bd01e35888590a9457d0a5b/scikit-image-0.10.1.tar.gz#sha256=83a1afcc16df75ff27237f84841a95c8f65c4e19ffd64849faa540aab48a5ab7 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.10.0.tar.gz (9.1 MB)
     |████████████████████████████████| 9.1 MB 3.6 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_e6e7721f53054e3bb841292423906239/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_e6e7721f53054e3bb841292423906239/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-y104nbx8
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_e6e7721f53054e3bb841292423906239/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/0a/de/7215ae67b3935906ad4e3cc4b384c9b7c0cdc1d5b3a0d71b1b2ac73e9495/scikit-image-0.10.0.tar.gz#sha256=83995570f11654b47d0a0d50ae8b4d11a0de97a44ae195a4c04ba4f10b9dd7f8 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.9.3.tar.gz (7.8 MB)
     |████████████████████████████████| 7.8 MB 3.0 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_f146fd987c764f71bede479c31cc43df/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_f146fd987c764f71bede479c31cc43df/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-givfirhp
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_f146fd987c764f71bede479c31cc43df/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/71/e7/881fa2b6195141a2b91035b63ff78a6f11c5dbec5d39b012e9fadc193a95/scikit-image-0.9.3.tar.gz#sha256=2c29c65aacdfc056efd0a3b713b5dde666356ffb39e5e2bad3e0d6dbb62524b3 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.9.1.tar.gz (7.8 MB)
     |████████████████████████████████| 7.8 MB 5.1 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_23526bc855a74ca49cf194cdab9abbdf/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_23526bc855a74ca49cf194cdab9abbdf/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-207hrbki
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_23526bc855a74ca49cf194cdab9abbdf/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/ce/54/c03a9d02ac4da5f793f10d6dfb9d5a4b80bb62288385dfaf1dd117054494/scikit-image-0.9.1.tar.gz#sha256=a0346b11830b57e85add95595a69f5f6bb82d7fdb7d6a9f28471176c700300b5 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.9.0.tar.gz (7.8 MB)
     |████████████████████████████████| 7.8 MB 340 kB/s             
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e5195b06999425dac4c59a2de82ed1c/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_2e5195b06999425dac4c59a2de82ed1c/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-0ap89waf
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_2e5195b06999425dac4c59a2de82ed1c/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/f1/e3/21e5548c578a0ab2708fcd5adcb3c13b5087d1398de6bbbb82dde7cf9634/scikit-image-0.9.0.tar.gz#sha256=4f6a9426e55eae3d51baa5281cbc8c1452a2facf6961fb3dfce6f82c3ac7763e (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.8.2.tar.gz (4.9 MB)
     |████████████████████████████████| 4.9 MB 2.5 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_73aa381d33744b6994335abc252ea049/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_73aa381d33744b6994335abc252ea049/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-m4gws5rt
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_73aa381d33744b6994335abc252ea049/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/31/df/d2eeb6a1319b5ae626019d9a901f11083c1dfe3b437159fd09e6d61c2ac8/scikit-image-0.8.2.tar.gz#sha256=df078f18f9dde7b354b6524cc85b6e78bc5c42a8851a173609052f7c7d4e0846 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.8.1.tar.gz (4.9 MB)
     |████████████████████████████████| 4.9 MB 1.7 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_a2f66bbb516240f1a9c144ae1220dcdf/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_a2f66bbb516240f1a9c144ae1220dcdf/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-bxbv3nau
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_a2f66bbb516240f1a9c144ae1220dcdf/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/77/20/ee5be6bdb80d4dcc45076a194a79c3590b8a1c4ca1b75b8fdf87cf16a8f4/scikit-image-0.8.1.tar.gz#sha256=bc99111b431244ff9c33c664d40faa56357d43c3de02e671d7771da311a164c6 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.8.0.tar.gz (4.9 MB)
     |████████████████████████████████| 4.9 MB 2.2 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_1834d96de9a5442e95a760da6d1563f7/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_1834d96de9a5442e95a760da6d1563f7/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-ohssdkk9
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_1834d96de9a5442e95a760da6d1563f7/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/85/e3/f71e8fc4f15a4f64feeaaf8b84b2fce5824222bee3d3fe632504d3404a72/scikit-image-0.8.0.tar.gz#sha256=3f4cdcb404ad808cdd69f54c4f9893727952a13948c4a1485d5ca99d41b88e00 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
  Downloading scikit-image-0.7.2.tar.gz (4.5 MB)
     |████████████████████████████████| 4.5 MB 5.1 MB/s            
  Preparing metadata (setup.py) ... error
  ERROR: Command errored out with exit status -4:
   command: /usr/bin/python3 -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-7dby5p_c/scikit-image_62ed6bbb9c124384a317c5ec816d29fc/setup.py'"'"'; __file__='"'"'/tmp/pip-install-7dby5p_c/scikit-image_62ed6bbb9c124384a317c5ec816d29fc/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-t41xdw8a
       cwd: /tmp/pip-install-7dby5p_c/scikit-image_62ed6bbb9c124384a317c5ec816d29fc/
  Complete output (0 lines):
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/2e/2d/f8a2f9e135d716a66328f48711445795a97bc470f9ddf2cf0b762f9fbb89/scikit-image-0.7.2.tar.gz#sha256=dad28ba772ccd1ddf70a72c3ecfbf27eb1a7ddf7b2e46e2ce567fc0c6b603931 (from https://pypi.org/simple/scikit-image/). Command errored out with exit status -4: python setup.py egg_info Check the logs for full command output.
ERROR: Could not find a version that satisfies the requirement scikit-image (from versions: 0.7.2, 0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.9.1, 0.9.3, 0.10.0, 0.10.1, 0.11.2, 0.11.3, 0.12.0, 0.12.1, 0.12.2, 0.12.3, 0.13.0, 0.13.1, 0.14.0, 0.14.1, 0.14.2, 0.14.3, 0.14.5, 0.15.0, 0.16.2, 0.17.1, 0.17.2, 0.18.0rc0, 0.18.0rc1)
ERROR: No matching distribution found for scikit-image

Hi,
Please also refer to steps in
Installing the scikit-image and the errors of "installing imagecodecs".(2020-05-15 evening) - #4 by juns

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