Remove assert type

Author: srittau

stdlib/@tests/test_cases/check_functools.py

@@ -119,8 +119,6 @@ def sd_fun(arg: object) -> str:
     def _(int_arg: int) -> str:
         return ""
 
-    assert_type(sd_fun, _SingleDispatchCallable[[object], str])
-
     sd_fun.dispatch(42)
     sd_fun.dispatch("")
     sd_fun.dispatch(1, 2)  # type: ignore

stubs/aiofiles/aiofiles/threadpool/__init__.pyi

@@ -99,7 +99,7 @@ def open(
 ) -> AiofilesContextManager[_UnknownAsyncBinaryIO]: ...
 
 stdin: AsyncTextIndirectIOWrapper
-stdout: AsyncTextIndirectIOWrapper  # type: ignore  # ???
+stdout: AsyncTextIndirectIOWrapper
 stderr: AsyncTextIndirectIOWrapper
 stdin_bytes: AsyncIndirectBufferedIOBase
 stdout_bytes: AsyncIndirectBufferedIOBase