[issue35557] Allow lowercase hexadecimal characters in base64.b16decode()

[Dylan Houlihan]

Change by Dylan Houlihan <dylan at breakingbits.net>:


----------
keywords: +patch
pull_requests: +10512
stage:  -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35557>
_______________________________________