bpo-29942: Fix the use of recursion in itertools.chain.from_iterable. #911
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…python#889) Fix the use of recursion in itertools.chain.from_iterable. Using recursion is unnecessary, and can easily cause stack overflows, especially when building in low optimization modes or with Py_DEBUG enabled. (cherry picked from commit 5466d4a)
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Since this is simple backport you don't need an approve. |
serhiy-storchaka
approved these changes
Mar 30, 2017
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Fix the use of recursion in itertools.chain.from_iterable. Using recursion
is unnecessary, and can easily cause stack overflows, especially when
building in low optimization modes or with Py_DEBUG enabled.
(cherry picked from commit 5466d4a)