Some packages are imported with a string which is different from the name of the package on PyPI, e.g.: $ pip list | grep -i "yaml\|qt" PyYAML 3.13 QtPy 1.5.2 pyyaml (pip instal pyyaml), but import yaml qtpy (pip install qtpy), yes import is qtpy but package is QtPy Several tools can't not handle that, e.g sphinx: $ make html WARNING: autodoc: failed to import module 'wireshark' from module 'logcollector.plugins'; the following exception was raised: No module named 'qtpy' I don't remember it right now, but same is for tools which scan the requirements.txt file and print warnings that the yaml package isn't installed (but it is and its name is pyyaml). Continue reading...
