[issue28835] Change in behavior when overriding warnings.showwarning and with catch_warnings(record=True)

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Here is a patch that cleans up the code.

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Added file: http://bugs.python.org/file45775/showwarning-tidy.patch

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<http://bugs.python.org/issue28835>
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