[issue39590] collections.deque.__contains__ and .count should hold strong references.

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:


New changeset dc56f5f48866bf3c5412642bba00890d9a090cfb by Miss Islington (bot) in branch '3.8':
bpo-39590: make deque.__contains__ and deque.count hold strong references (GH-18421) (GH-18423)
https://github.com/python/cpython/commit/dc56f5f48866bf3c5412642bba00890d9a090cfb


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