[New-bugs-announce] [issue26696] Document collections.abc.ByteString

[Brett Cannon]

New submission from Brett Cannon:

[typing.ByteString](https://docs.python.org/3.5/library/typing.html#typing.ByteString) references collections.abc.ByteString, but no such type is documented.

----------
components: Library (Lib)
messages: 262918
nosy: brett.cannon, gvanrossum
priority: normal
severity: normal
stage: needs patch
status: open
title: Document collections.abc.ByteString
versions: Python 3.5, Python 3.6

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26696>
_______________________________________