update work on .pyi file

bitarray/__init__.pyi

@@ -1,6 +1,4 @@
-from collections.abc import Iterable
-
-from typing import Any, BinaryIO, Optional, Union, overload
+from typing import Any, BinaryIO, Iterable, Optional, Union, overload
 from typing_extensions import Literal
 
 
@@ -42,7 +40,7 @@ class bitarray:
                    code: Union[Codedict, decodetree], /) -> Iterable[int]: ...
     def itersearch(self, a: Union[bitarray, Bool], /) -> Iterable[int]: ...
     def pack(self, b: bytes, /) -> None: ...
-    def pop(self, i: int=..., /) -> int: ...
+    def pop(self, i: int=..., /) -> Bool: ...
     def remove(self, value: Bool, /) -> None: ...
     def reverse(self) -> None: ...
     def search(self, a: Union[bitarray, Bool],
@@ -57,7 +55,7 @@ class bitarray:
 
     def __len__(self) -> int: ...
     @overload
-    def __getitem__(self, i: int) -> int: ...
+    def __getitem__(self, i: int) -> Bool: ...
     @overload
     def __getitem__(self, s: slice) -> bitarray: ...
     @overload