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Import asyncio.AbstractEventLoopPolicy only for type checking #1394

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Merged
seifertm merged 1 commit into from
Apr 6, 2026
Merged

Import asyncio.AbstractEventLoopPolicy only for type checking #1394

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2 changes: 2 additions & 0 deletions changelog.d/1394.changed.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Only import ``asyncio.AbstractEventLoopPolicy`` for type checking to avoid raising
a DeprecationWarning.
8 changes: 7 additions & 1 deletion pytest_asyncio/plugin.py
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Expand Up @@ -12,7 +12,7 @@
import sys
import traceback
import warnings
from asyncio import AbstractEventLoop, AbstractEventLoopPolicy
from asyncio import AbstractEventLoop
from collections.abc import (
AsyncIterator,
Awaitable,
Expand All @@ -25,6 +25,7 @@
)
from types import AsyncGeneratorType, CoroutineType
from typing import (
TYPE_CHECKING,
Any,
Literal,
ParamSpec,
Expand Down Expand Up @@ -61,6 +62,11 @@
else:
from typing_extensions import TypeIs

if TYPE_CHECKING:
# AbstractEventLoopPolicy is deprecated and scheduled for removal in Python 3.16
# Import it for type checking only to avoid raising a DeprecationWarning.
from asyncio import AbstractEventLoopPolicy

_ScopeName = Literal["session", "package", "module", "class", "function"]
_R = TypeVar("_R", bound=Awaitable[Any] | AsyncIterator[Any])
_P = ParamSpec("_P")
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