apply black and isort (#4287)

* apply black and isort

* move some type ignores

stdlib/2and3/winsound.pyi

@@ -1,5 +1,6 @@
 import sys
 from typing import Optional, Union, overload
+
 from typing_extensions import Literal
 
 if sys.platform == "win32":
@@ -18,7 +19,6 @@ if sys.platform == "win32":
     MB_ICONHAND: int
     MB_ICONQUESTION: int
     MB_OK: int
-
     def Beep(frequency: int, duration: int) -> None: ...
     # Can actually accept anything ORed with 4, and if not it's definitely str, but that's inexpressible
     @overload