pip installed .pth files break importing packages from namespace packages from directories added dynamically · Issue #4695 · pypa/pip (original) (raw)
- Pip version: 9.0.1
- Python version: 3.4, 3.5, 3.6
- Operating system: Mac OS
Description:
If zc.buildout is installed by pip and then used to run a buildout, which installed other packages from the zc namespace, these other packages are unimportable.
See: http://bugs.python.org/issue31280
Removing .pth files installed by pip makes the problem go away. What purpose do the .pth files serve?