[issue27814] contextlib.suppress: Add whitelist argument

[Michael Büsch]

Michael Büsch added the comment:

>Could you please produce a patch that conforms to PEP-8.

I tried hard to do so. Could you please tell me what parts are not compliant, so I can fix them?

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27814>
_______________________________________