diff --git a/jedi/inference/compiled/access.py b/jedi/inference/compiled/access.py
index 09ed1b64..fcad4887 100644
--- a/jedi/inference/compiled/access.py
+++ b/jedi/inference/compiled/access.py
@@ -183,10 +183,12 @@ class DirectObjectAccess:
 
     def py__file__(self) -> Optional[Path]:
         try:
-            return Path(self._obj.__file__)
+            __file__attribute = self._obj.__file__
         except AttributeError:
             return None
 
+        return Path(__file__attribute) if __file__attribute is not None else None
+
     def py__doc__(self):
         return inspect.getdoc(self._obj) or ''