@yipengl right now I am getting this
import nemo.collections.asr as nemo_asr
[NeMo W 2020-12-30 10:18:09 experimental:28] Module <class 'nemo.collections.asr.losses.ctc.CTCLoss'> is experimental, not ready for production and is not fully supported. Use at your own risk.
[nltk_data] Downloading package averaged_perceptron_tagger to
[nltk_data] /home/nvidia/nltk_data...
[nltk_data] Unzipping taggers/averaged_perceptron_tagger.zip.
[nltk_data] Downloading package cmudict to /home/nvidia/nltk_data...
[nltk_data] Unzipping corpora/cmudict.zip.
Traceback (most recent call last):
File "<stdin>", line 3, in <module>
File "/home/nvidia/NeMo/nemo/collections/asr/__init__.py", line 15, in <module>
from nemo.collections.asr import data, losses, models, modules
File "/home/nvidia/NeMo/nemo/collections/asr/models/__init__.py", line 16, in <module>
from nemo.collections.asr.models.classification_models import EncDecClassificationModel
File "/home/nvidia/NeMo/nemo/collections/asr/models/classification_models.py", line 27, in <module>
from nemo.collections.asr.data.audio_to_text import AudioLabelDataset
File "/home/nvidia/NeMo/nemo/collections/asr/data/audio_to_text.py", line 25, in <module>
from nemo.collections.asr.parts.features import WaveformFeaturizer
File "/home/nvidia/NeMo/nemo/collections/asr/parts/features.py", line 37, in <module>
import librosa
File "/home/nvidia/.local/lib/python3.6/site-packages/librosa/__init__.py", line 211, in <module>
from . import core
File "/home/nvidia/.local/lib/python3.6/site-packages/librosa/core/__init__.py", line 5, in <module>
from .convert import * # pylint: disable=wildcard-import
File "/home/nvidia/.local/lib/python3.6/site-packages/librosa/core/convert.py", line 7, in <module>
from . import notation
File "/home/nvidia/.local/lib/python3.6/site-packages/librosa/core/notation.py", line 8, in <module>
from ..util.exceptions import ParameterError
File "/home/nvidia/.local/lib/python3.6/site-packages/librosa/util/__init__.py", line 83, in <module>
from .utils import * # pylint: disable=wildcard-import
File "/home/nvidia/.local/lib/python3.6/site-packages/librosa/util/utils.py", line 10, in <module>
import numba
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/__init__.py", line 196, in <module>
import numba.typed
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/typed/__init__.py", line 3, in <module>
from .typeddict import Dict
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/typed/typeddict.py", line 19, in <module>
@njit
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/decorators.py", line 238, in njit
return jit(*args, **kws)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/decorators.py", line 175, in jit
return wrapper(pyfunc)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/decorators.py", line 191, in wrapper
**dispatcher_args)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/dispatcher.py", line 650, in __init__
self.targetctx = self.targetdescr.target_context
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/targets/registry.py", line 50, in target_context
return self._toplevel_target_context
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/utils.py", line 390, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/targets/registry.py", line 34, in _toplevel_target_context
return cpu.CPUContext(self.typing_context)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/targets/base.py", line 260, in __init__
self.init()
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/compiler_lock.py", line 32, in _acquire_compile_lock
return func(*args, **kwargs)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/targets/cpu.py", line 51, in init
self._internal_codegen = codegen.JITCPUCodegen("numba.exec")
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/targets/codegen.py", line 628, in __init__
self._init(self._llvm_module)
File "/home/nvidia/.local/lib/python3.6/site-packages/numba/targets/codegen.py", line 637, in _init
tm = target.create_target_machine(**tm_options)
TypeError: create_target_machine() got an unexpected keyword argument 'jitdebug'
it is also a version issue peculiar to python3.6 / [ numba, cuml, llvm]
you may also like to have a look at https://github.com/NVIDIA/tacotron2
https://developer.nvidia.com/blog/how-to-deploy-real-time-text-to-speech-applications-on-gpus-using-tensorrt/