Troubleshoot dependencies in Pipfile/pipenv

The Docker build failed in one of my projects on building pip wheel. As a Python newbie, I was not sure what it refers to, all I got is a dependency build stack trace that ends with AttributeError: cython_sources. I assume this is one of the packages hidden in the pip dependency tree. Eventually I managed to locate it but it took me for a while, thus I think it might be helpful to note down the troubleshooting process that …

build building dependencies docker eventually hidden managed newbie pip pipenv pipfile projects python stack trace tree