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from __future__ import annotations
import asyncio
from collections.abc import Callable
def auto_loop_factory(use_subprocess: bool = False) -> Callable[[], asyncio.AbstractEventLoop]:
try:
import uvloop # noqa
except ImportError: # pragma: no cover
from uvicorn.loops.asyncio import asyncio_loop_factory as loop_factory
return loop_factory(use_subprocess=use_subprocess)
else: # pragma: no cover
from uvicorn.loops.uvloop import uvloop_loop_factory
return uvloop_loop_factory(use_subprocess=use_subprocess)
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