[issue37335] Improve encoding alias handling in locale coercion tests

[Jakub Kulik]

Jakub Kulik <kulikjak at gmail.com> added the comment:

Python 3.8+ encodings are always normalized and thus no output variations handling is necessary (the code is no longer necessary).

Python 3.7 (and possibly lower) can have variations in encodings - that should be fixed with codecs.lookup functions.

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title: Fix unexpected ASCII aliases in locale coercion tests. -> Improve encoding alias handling in locale coercion tests
versions: +Python 3.8, Python 3.9

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<https://bugs.python.org/issue37335>
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