[issue4395] Document auto __ne__ generation; provide a use case for non-trivial __ne__

[Robert Collins]

Robert Collins added the comment:

Thanks for the patch; applied to 3.4 and up.

----------
nosy: +rbcollins
resolution:  -> fixed
stage: commit review -> resolved
status: open -> closed

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4395>
_______________________________________