[issue22609] Constructors of some mapping classes don't accept `self` keyword argument

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Updated patch addresses Martin's comments.

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versions: +Python 3.6
Added file: http://bugs.python.org/file39821/UserDict_self_and_dict_keywords_3.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22609>
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