[issue16120] Use |yield from| in stdlib

[Roundup Robot]

Roundup Robot added the comment:

New changeset 70d49694786c by Andrew Svetlov in branch 'default':
Issue #16120: Use |yield from| in stdlib.
http://hg.python.org/cpython/rev/70d49694786c

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16120>
_______________________________________