[issue23001] Accept mutable bytes-like objects

[Arfrever Frehtes Taifersar Arahesis]

Changes by Arfrever Frehtes Taifersar Arahesis <Arfrever.FTA at GMail.Com>:


----------
nosy: +Arfrever

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23001>
_______________________________________