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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`deque_clear` clears `MemoryError`","articleBody":"# Bug report\n\n### Bug description:\n\n\nThis is a sub-issue for gh-146102 with the gist [here](https://gist.github.com/devdanzin/c0e661ad36a12581333740414e20098e).\n---\n\nIn the case that there is no memory, `deque_clear` calls `PyErr_Clear()`:\nhttps://github.com/python/cpython/blob/7928a8b730b0334c9f97c2144ab00fe0d88f1e97/Modules/_collectionsmodule.c#L749-L753\n\nThis was done to clear the error that  `newblock` raises. However, if there was originally an exception, `deque_clear` clears it.\n\n### CPython versions tested on:\n\nCPython main branch\n\n### Operating systems tested on:\n\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-152018\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/brijkapadia","@type":"Person","name":"brijkapadia"},"datePublished":"2026-06-23T14:56:53.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/152017/cpython/issues/152017"}