[issue25864] collections.abc.Mapping should include a __reversed__ that raises TypeError

[Swati Jaiswal]

Swati Jaiswal added the comment:

Can it be reproduced in default branch? I tried but got:
    AttributeError: module 'collections' has no attribute 'abc'

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nosy: +curioswati

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25864>
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