[issue15718] Possible OverflowError in __len__ method undocumented (when called via len() function)

[Serhiy Storchaka]

Serhiy Storchaka added the comment:


New changeset bfc7dff63b9b30371e3423a5c35ccda2f3b52218 by Serhiy Storchaka in branch '2.7':
[2.7] bpo-15718: Document the upper bound constrain on the __len__ return value. (GH-1256). (#1261)
https://github.com/python/cpython/commit/bfc7dff63b9b30371e3423a5c35ccda2f3b52218


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<http://bugs.python.org/issue15718>
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