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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Tweak asyncio.Runner loop_factory docs to emphasize that the default case *does* call `set_event_loop()`","articleBody":"\r\n\u003e Whatever gives users the best guidance. I searched for code that uses `Runner(loop_factory=...)` and there is one case apart from `test_runners.py`: in `test_asyncio/test_subprocess.py` it is used as `loop_factory=asyncio.new_event_loop` specifically to prevent the watcher to be set (since the test sets its own watcher).\r\n\r\nI would emphasize that the default case *does* call `set_event_loop()` and implies attaching the watcher (if there is one!) to the loop; it's fine to suggest that `loop_factory` should be used only if this is undesired.\r\n\r\n_Originally posted by @gvanrossum in https://github.com/python/cpython/pull/95979#discussion_r946971337_","author":{"url":"https://github.com/graingert","@type":"Person","name":"graingert"},"datePublished":"2022-08-16T21:54:06.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/96036/cpython/issues/96036"}