From: David Montague <david@exactrics.com>
Date: Mon, 14 Oct 2019 09:34:51 +0000 (-0700)
Subject: Add type hint for run_in_threadpool return type
X-Git-Tag: 0.12.11~14^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F674%2Fhead;p=thirdparty%2Fstarlette.git

Add type hint for run_in_threadpool return type
---

diff --git a/starlette/concurrency.py b/starlette/concurrency.py
index 56db3db3..c5ac039e 100644
--- a/starlette/concurrency.py
+++ b/starlette/concurrency.py
@@ -8,10 +8,12 @@ try:
 except ImportError:  # pragma: no cover
     contextvars = None  # type: ignore
 
+T = typing.TypeVar("T")
+
 
 async def run_in_threadpool(
-    func: typing.Callable, *args: typing.Any, **kwargs: typing.Any
-) -> typing.Any:
+    func: typing.Callable[..., T], *args: typing.Any, **kwargs: typing.Any
+) -> T:
     loop = asyncio.get_event_loop()
     if contextvars is not None:  # pragma: no cover
         # Ensure we run in the same context