[issue4701] range objects becomes hashable after attribute access

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

enumerate can be added to the list of builtin types which isn't
initialised correctly, as can the callable+sentinel iterator return from
the 2-argument version of iter() and the default sequence iterator
returned by iter() when given a type with both __len__ and __getitem__
methods, but no __iter__ method.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4701>
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