[issue35589] BaseSelectorEventLoop.sock_sendall() performance regression: extra copy of data

[Andrew Svetlov]

Change by Andrew Svetlov <andrew.svetlov at gmail.com>:


----------
keywords: +patch
pull_requests: +10823
stage:  -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35589>
_______________________________________