[issue26819] _ProactorReadPipeTransport pause_reading()/resume_reading() broken if called before any read is perfored

[Zvi Effron]

Change by Zvi Effron <viz_skywalker at yahoo.com>:


----------
pull_requests: +6749

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue26819>
_______________________________________