fix type hints for python 3.6

aio-libs · Oct 25, 2020 · 26cbe25 · 26cbe25
1 parent b445f74
commit 26cbe25
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/aiohttp/http_writer.py b/aiohttp/http_writer.py
@@ -19,7 +19,8 @@
 
 
 _T_OnChunkSent = Optional[Callable[[bytes], Awaitable[None]]]
-_T_OnHeadersSent = Optional[Callable[[CIMultiDict[str]], Awaitable[None]]]
+_Headers = "CIMultiDict[str]"
+_T_OnHeadersSent = Optional[Callable[[_Headers], Awaitable[None]]]
 
 
 class StreamWriter(AbstractStreamWriter):