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  r86857 | raymond.hettinger | 2010-11-28 22:56:12 -0500 (Sun, 28 Nov 2010) | 1 line

  Issue #10565:  Iterator ABC should require both __next__ and __iter__.
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This commit is contained in:
Alexander Belopolsky 2010-11-30 01:01:02 +00:00
parent 34cc202559
commit fdb32c15e4
3 changed files with 13 additions and 2 deletions
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3
Lib/_abcoll.py
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@ -90,7 +90,8 @@ class Iterator(Iterable):
@classmethod
def __subclasshook__(cls, C):
if cls is Iterator:
if any("__next__" in B.__dict__ for B in C.__mro__):
if (any("__next__" in B.__dict__ for B in C.__mro__) and
any("__iter__" in B.__dict__ for B in C.__mro__)):
return True
return NotImplemented