Using the SDK Manager to load target applications into a TX2, always errors during the openCV loading. Seems to be a python problem.
17:06:10 INFO: OpenCV on Target - target: Some packages could not be installed. This may mean that you have
17:06:10 INFO: OpenCV on Target - target: requested an impossible situation or if you are using the unstable
17:06:10 INFO: OpenCV on Target - target: distribution that some required packages have not yet been created
17:06:10 INFO: OpenCV on Target - target: or been moved out of Incoming.
17:06:10 INFO: OpenCV on Target - target: The following information may help to resolve the situation:
17:06:10 INFO: OpenCV on Target - target: The following packages have unmet dependencies:
17:06:10 INFO: OpenCV on Target - target: python-dev : Depends: libpython-dev (= 2.7.15~rc1-1) but it is not going to be installed
17:06:10 INFO: OpenCV on Target - target: Depends: python2.7-dev (>= 2.7.15~rc1-1~) but it is not going to be installed
17:06:10 ERROR: OpenCV on Target - target: E: Unable to correct problems, you have held broken packages.
17:06:10 ERROR: OpenCV on Target - target: Error: safe apt install failed: sudo apt-get install -y python-dev python-numpy python-py python-pytest, exit code: 100, retry number: 1