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Title: gh-149557: Make itertools.pairwise safe under re-entry and concurrency by eendebakpt · Pull Request #150589 · python/cpython · GitHub

Open Graph Title: gh-149557: Make itertools.pairwise safe under re-entry and concurrency by eendebakpt · Pull Request #150589 · python/cpython

X Title: gh-149557: Make itertools.pairwise safe under re-entry and concurrency by eendebakpt · Pull Request #150589 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Add a re-entrancy guard so a same-thread re-entrant call (e.g. when the input iterator's __next__ calls back into pairwise.__next__) raises RuntimeError instead of crashing or producing garble...

X Description: Add a re-entrancy guard so a same-thread re-entrant call (e.g. when the input iterator's __next__ calls back into pairwise.__next__) raises RuntimeError instead of crashing or producing ga...

Opengraph URL: https://github.com/python/cpython/pull/150589

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