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Explain why we ignore type check.

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This commit is contained in:
Itamar Turner-Trauring 2023-03-27 14:54:27 -04:00
parent e7c71e66a3
commit 0995772b24
1 changed files with 5 additions and 0 deletions
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5
src/allmydata/util/deferredutil.py
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@ -239,6 +239,11 @@ def async_to_deferred(f: Callable[P, Awaitable[R]]) -> Callable[P, Deferred[R]]:
@wraps(f)
def not_async(*args: P.args, **kwargs: P.kwargs) -> Deferred[R]:
# Twisted documents fromCoroutine as accepting either a Generator or a
# Coroutine. However, the standard for type annotations of async
# functions is to return an Awaitable:
# https://github.com/twisted/twisted/issues/11832
# So, we ignore the type warning.
return defer.Deferred.fromCoroutine(f(*args, **kwargs)) # type: ignore
return not_async