[issue39206] Modulefinder does not consider source file encoding

[Roundup Robot]

Change by Roundup Robot <devnull at psf.upfronthosting.co.za>:


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keywords: +patch
pull_requests: +17243
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/17817

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39206>
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