diff --git a/odoo-stubs/tools/which.pyi b/odoo-stubs/tools/which.pyi
index acf03ef..a873fe2 100644
--- a/odoo-stubs/tools/which.pyi
+++ b/odoo-stubs/tools/which.pyi
@@ -1,13 +1,12 @@
 from os import R_OK as R_OK, W_OK as W_OK
 from os.path import dirname as dirname
-from typing import Any
+from typing import Iterator
 
 __docformat__: str
-__all__: Any
 ENOENT: int
-windows: Any
-seen: Any
-defpathext: Any
+windows: bool
+seen: set
+defpathext: list[str]
 
-def which_files(file, mode=..., path: Any | None = ..., pathext: Any | None = ...) -> None: ...
-def which(file, mode=..., path: Any | None = ..., pathext: Any | None = ...): ...
+def which_files(file: str, mode: int = ..., path: str | None = ..., pathext: str | None = ...) -> Iterator[str]: ...
+def which(file: str, mode: int = ..., path: str | None = ..., pathext: str | None = ...) -> str: ...