[docs] [issue25432] isinstance documentation: explain behavior when type is a tuple

[Roundup Robot]

Roundup Robot added the comment:

New changeset aaf8a25133ff by Terry Jan Reedy in branch '2.7':
Issue #25432: Explain isinstance behaviour when type is a tuple.
https://hg.python.org/cpython/rev/aaf8a25133ff

New changeset 8b1418e5dcc8 by Terry Jan Reedy in branch '3.4':
Issue #25432: Explain isinstance behaviour when type is a tuple.
https://hg.python.org/cpython/rev/8b1418e5dcc8

----------
nosy: +python-dev

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25432>
_______________________________________