[issue25637] Move non-collections-related ABCs out of collections.abc

[Yury Selivanov]

Yury Selivanov added the comment:

We had this discussion when we were adding Awaitable, AsyncIterable etc.  I suggested to simply put them in the top-level 'abc' module (where ABCMeta is defined).

----------
nosy: +yselivanov

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25637>
_______________________________________