[issue37697] Incorporate changes from importlib_metadata 0.19

[Jason R. Coombs]

Change by Jason R. Coombs <jaraco at jaraco.com>:


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keywords: +patch
pull_requests: +14759
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/14993

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37697>
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