Fix crash (only convert __file__ attribute to a Path if it is not None)

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 ''
 

test/test_api/test_interpreter.py

@@ -593,7 +593,7 @@ def test_dict_completion(code, column, expected):
     assert [c.complete for c in comps] == expected
 
 
-def test_implicit_namespace_package_with_subpackages(monkeypatch):
+def test_implicit_namespace_package_with_subpackages_v1(monkeypatch):
     sys_path_dir1 = get_example_dir('implicit_namespace_package_with_subpackages', 'ns1')
     sys_path_dir2 = get_example_dir('implicit_namespace_package_with_subpackages', 'ns2')
     monkeypatch.syspath_prepend(sys_path_dir1)
@@ -610,6 +610,23 @@ def test_implicit_namespace_package_with_subpackages(monkeypatch):
     assert [c.complete for c in comps] == expected
 
 
+def test_implicit_namespace_package_with_subpackages_v2(monkeypatch):
+    sys_path_dir1 = get_example_dir('implicit_namespace_package_with_subpackages', 'ns1')
+    sys_path_dir2 = get_example_dir('implicit_namespace_package_with_subpackages', 'ns2')
+    monkeypatch.syspath_prepend(sys_path_dir1)
+    monkeypatch.syspath_prepend(sys_path_dir2)
+
+    # import pkg_implicit_namespace_package_test
+    interpreter = jedi.Interpreter(
+        "import pkg_implicit_namespace_package_test.",
+        namespaces=[locals()],
+        project=Project('.')
+    )
+    comps = interpreter.complete()
+    expected = ["pkgA", "pkgB"]
+    assert [c.complete for c in comps] == expected
+
+
 @pytest.mark.parametrize(
     'code, types', [
         ('dct[1]', ['int']),