[issue34655] Support sendfile in asyncio streams API

[Andrew Svetlov]

New submission from Andrew Svetlov <andrew.svetlov at gmail.com>:

Done by #36889

----------
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
superseder:  -> Merge StreamWriter and StreamReader into just asyncio.Stream

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34655>
_______________________________________