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Fix crash due to runtime import of typing_extensions #2507

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Merged
A5rocks merged 1 commit into from
Dec 25, 2022
Merged

Fix crash due to runtime import of typing_extensions #2507

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5 changes: 4 additions & 1 deletion trio/_unix_pipes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,16 @@

import os
import errno
from typing_extensions import Final as FinalType
from typing import TYPE_CHECKING

from ._abc import Stream
from ._util import ConflictDetector, Final

import trio

if TYPE_CHECKING:
from typing_extensions import Final as FinalType

if os.name != "posix":
# We raise an error here rather than gating the import in lowlevel.py
# in order to keep jedi static analysis happy.
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