apply black and isort (#4287)

* apply black and isort

* move some type ignores

stdlib/3/compileall.pyi

@@ -1,7 +1,8 @@
 import sys
-from _typeshed import AnyPath
 from typing import Any, Optional, Pattern
 
+from _typeshed import AnyPath
+
 if sys.version_info < (3, 6):
     _SuccessType = bool
 else:
@@ -43,6 +44,7 @@ if sys.version_info >= (3, 9):
         limit_sl_dest: Optional[AnyPath] = ...,
         hardlink_dupes: bool = ...,
     ) -> _SuccessType: ...
+
 elif sys.version_info >= (3, 7):
     def compile_dir(
         dir: AnyPath,
@@ -100,6 +102,7 @@ if sys.version_info >= (3, 7):
         optimize: int = ...,
         invalidation_mode: Optional[PycInvalidationMode] = ...,
     ) -> _SuccessType: ...
+
 else:
     def compile_path(
         skip_curdir: bool = ...,