[issue29897] itertools.chain behaves strangly when copied with copy.copy
Raymond Hettinger
report at bugs.python.org
Mon Apr 3 14:56:13 EDT 2017
Raymond Hettinger added the comment:
> Perhaps all this deserves a PEP.
If Serhiy and Kristján are on a course of action, that will suffice. Copying iterators is an esoteric endeavor of interest to very few users (no one has even noticed until now).
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<http://bugs.python.org/issue29897>
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