[issue40350] modulefinder chokes on numpy - dereferencing None in spec.loader

[Cajetan Rodrigues]

Cajetan Rodrigues <caje731 at gmail.com> added the comment:

Turns out using _PKG_DIRECTORY as a type for namespace packages ended up making `_find_module` try to search for an __init__.py within them, since it had no understanding of the diff. between a namespace package and a regular one (the lack of __init__.py), and caused it to break.

I've raised a PR with a new type _NSP_DIRECTORY for namespace-directories.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40350>
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