[issue45776] abc submodule not an attribute of collections on Python 3.10.0 on Windows

[Steve Dower]

Steve Dower <steve.dower at python.org> added the comment:

Since collections.abc is a module, it should work if you import it:

>>> import collections.abc
>>> collections.abc.Container
<class 'collections.abc.Container'>

Submodules being implicitly imported is not part of any API guarantee, which will be why somebody changed it without considering this impact.

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<https://bugs.python.org/issue45776>
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