issue_comments: 939100803

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html_url	issue_url	id	node_id	user	created_at	updated_at	author_association	body	reactions	issue	performed_via_github_app
https://github.com/simonw/datasette/pull/1481#issuecomment-939100803	https://api.github.com/repos/simonw/datasette/issues/1481	939100803	IC_kwDOBm6k_c43-YqD	9599	2021-10-08T20:33:42Z	2021-10-08T20:33:42Z	OWNER	There's a tiny chance this could be a bug in Python 3.10 itself - I filed an issue here: https://bugs.python.org/issue45416 - in which I said: > In Python 3.10 it is not possible to instantiate an asyncio.Condition that wraps an asyncio.Lock without raising a "loop argument must agree with lock" exception. > > This code raises that exception: > > asyncio.Condition(asyncio.Lock()) > > This worked in previous Python versions. > > Note that the error only occurs if an event loop is running. Here's a simple script that replicates the problem: > > import asyncio > > # This runs without an exception: > print(asyncio.Condition(asyncio.Lock())) > > # This does not work: > async def example(): > print(asyncio.Condition(asyncio.Lock())) > > # This raises "ValueError: loop argument must agree with lock": > asyncio.run(example())	{"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0}	1020436713