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

[Terry J. Reedy]

Changes by Terry J. Reedy <tjreedy at udel.edu>:


----------
versions: +Python 3.5, Python 3.6 -Python 3.2, Python 3.3

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15718>
_______________________________________