Have all py__file__ methods return a Path

jedi/inference/compiled/value.py

@@ -5,6 +5,7 @@ import re
 from functools import partial
 from inspect import Parameter
 from pathlib import Path
+from typing import Optional
 
 from jedi import debug
 from jedi.inference.utils import to_list
@@ -305,11 +306,8 @@ class CompiledModule(CompiledValue):
             return ()
         return tuple(name.split('.'))
 
-    def py__file__(self):
-        path = self.access_handle.py__file__()
-        if path is None:
-            return None
-        return Path(path)
+    def py__file__(self) -> Optional[Path]:
+        return self.access_handle.py__file__()  # type: ignore[no-any-return]
 
 
 class CompiledName(AbstractNameDefinition):