New submission from Cory Nezin :
As demonstrated in this Stack Overflow question
(https://stackoverflow.com/questions/59377661/python-pkgutil-get-data-disrupts-future-imports)
using `pkgutil.get_data` on a module causes future imports of children modules
to fail. I tracked this down to a call to `importlib._bootstrap.load` here:
https://github.com/python/cpython/blob/3.8/Lib/pkgutil.py#L627
This seems to do something to sys.modules which I don't quite understand but I
think it is caching the module when it shouldn't be. If I replace the linked
line with `importlib.import_module(package))` it seems to work okay.
--
components: Library (Lib)
files: pkgutil_err.tar
messages: 375149
nosy: cnezin
priority: normal
severity: normal
status: open
title: `pkgutil.get_data` causes future imports of children modules to fail.
type: behavior
versions: Python 3.6, Python 3.7, Python 3.8
Added file: https://bugs.python.org/file49381/pkgutil_err.tar
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