ModuleNotFoundError, even though I can see module in dist-packages folder, Setuptools / EGG issue?
John Ladasky
john_ladasky at sbcglobal.net
Wed Apr 8 13:47:20 EDT 2020
Hi folks,
Something broke in my Python installation in the past two or three days. I'm working in Ubuntu 19.10 and Python 3.7, without virtual environments.
I have two modules of Python source code that I am developing. I regularly change this code and "distribute" it to myself using setuptools. From the command prompt in the module's base folder, I execute:
python3 setup.py sdist
sudo python3 setup.py install
That process has been working for me for years. But after recent rebuilds, when I try to import those modules today, I get ModuleNotFoundErrors for each of them. I tried importing other modules that were installed by pip3. They work fine.
I looked in /usr/local/lib/python3.7/dist-packages. The one thing that is unique to my two packages is the .egg extension at the end of the file names. Oddly, one of the two modules is a single .egg archive file, and the other is a normal folder with folders inside it, despite the .egg extension in the name.
A third package of mine which I did not build recently appears as a normal sub-folder within dist-packages, and it imports correctly.
What is setuptools supposed to do? Why has its behavior apparently changed? Hope someone can offer some advice. Thanks.
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