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sniffio._impl.AsyncLibraryNotFoundError: unknown async library, or not in async context
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Additional maintainer

seifertm announced Jun 1, 2026 in Announcements

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How to set custom event loop for a single test?

UncleGoogle asked Nov 14, 2025 in Q&A · Answered

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Reuse existing event loop if one is already running

medihack asked May 13, 2023 in Q&A · Closed · Answered

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got Future <_GatheringFuture pending> attached to a different loop when running pytest through PyCharm's debugger

golmschenk asked Sep 26, 2025 in Q&A · Unanswered

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Future pending, attached to different loop

WolfgangFB asked Sep 16, 2025 in Q&A · Unanswered

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Understand the changes of event-loop when moving from 0.21

jefflieu asked Jul 21, 2025 in Q&A · Closed · Answered

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Question: how to set fixture and async function same loop?

Provinm asked Nov 10, 2024 in Q&A · Unanswered

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Why does _close_event_loop close a closed loop?

truh started Dec 5, 2024 in General · Closed

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Define asyncio_mode in pyproject.toml

romanzdk asked May 2, 2024 in Q&A · Closed · Unanswered

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Official support for session-scoped event loops?

seifertm asked Apr 24, 2023 in Q&A · Unanswered

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How to use mixed-scoped fixtures in an async test?

nmacholl asked May 16, 2024 in Q&A · Closed · Answered

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sniffio._impl.AsyncLibraryNotFoundError: unknown async library, or not in async context

dimaqq started Nov 10, 2022 in General

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Deprecating event_loop fixture overrides

seifertm started Jul 18, 2023 in Ideas · Closed

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I've just released logot - a log capture and assertion plugin 🚀

etianen started Feb 12, 2024 in Show and tell

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Release pytest-asyncio 0.23.3

psalaberria002 started Dec 15, 2023 in General · Closed

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pip install pytest-asyncio==0.23.0a1 is success package

ArtemIsmagilov started Nov 20, 2023 in General · Closed

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How to use scoped event loops as workaround for missing loop policy support?

schlamar started Oct 31, 2023 in General

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Why I can't use client: AsyncClinet in pytest

NightSkySK asked Sep 10, 2023 in Q&A · Closed · Answered

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Standard Mocking Patterns for Native SQL query executions + Fast API with Async Calls

sarathsund asked Aug 16, 2023 in Q&A · Closed · Answered

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event loop is closed before my fixture's finalizer runs

seifertm asked May 19, 2023 in Q&A · Unanswered

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Any advice for tracking down the source of the unclosed event loop warning?

alcarney asked May 5, 2023 in Q&A · Closed · Answered

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sniffio._impl.AsyncLibraryNotFoundError: unknown async library, or not in async context

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Additional maintainer

How to set custom event loop for a single test?

Reuse existing event loop if one is already running

`got Future <_GatheringFuture pending> attached to a different loop` when running pytest through PyCharm's debugger

Future pending, attached to different loop

Understand the changes of event-loop when moving from 0.21

Question: how to set fixture and async function same loop?

Why does _close_event_loop close a closed loop?

Define asyncio_mode in pyproject.toml

Official support for session-scoped event loops?

How to use mixed-scoped fixtures in an async test?

sniffio._impl.AsyncLibraryNotFoundError: unknown async library, or not in async context

Deprecating event_loop fixture overrides

I've just released `logot` - a log capture and assertion plugin 🚀

Release pytest-asyncio 0.23.3

pip install pytest-asyncio==0.23.0a1 is success package

How to use scoped event loops as workaround for missing loop policy support?

Why I can't use client: AsyncClinet in pytest

Standard Mocking Patterns for Native SQL query executions + Fast API with Async Calls

event loop is closed before my fixture's finalizer runs

Any advice for tracking down the source of the unclosed event loop warning?

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