New submission from Maciej Kopeć :
Hello,
https://github.com/python/cpython/blob/3.9/Lib/_collections_abc.py#L1012
Shouldn't the loop condition be i <= 0 not i < 0? The implementation now is
causing not to search in 1-element sequences, since it raises ValueError.
Please let me k
Maciej Kopeć added the comment:
Sorry for the hastily posted issue, when stop is not given this should work
properly, and since stop is exclusive in python, this shall be expected
behaviour.
--
resolution: -> not a bug
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