>> This is https://bugs.python.org/issue32305, apparently intentional and will >> be in 3.7. So better fix the packages itself. Not sure if that really should >> be backported.
> Thanks for the forward. The fix is for third party packages to use > `getattr(module, ‘__file__’, None)` instead of `hasattr(module, ‘__file__’)`. > I think gunicorn has already fixed this in their upstream.