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test_itertools.py
itertools.chain.from_iterable
Bug report
itertools.chain.from_iterable is safe to use with infinite iterable, but no test exists.
example:
chain.from_iterable(repeat(range(5)))
Your environment
CPython versions tested on:3.10.4 and currentmain branch
3.10.4
main
Operating system and architecture:N/A