[pull] main from django:main

django/utils/deprecation.py

@@ -13,9 +13,8 @@
 
 @functools.cache
 def django_file_prefixes():
-    try:
-        file = django.__file__
-    except AttributeError:
+    file = getattr(django, "__file__", None)
+    if file is None:
         return ()
     return (os.path.dirname(file),)
 

docs/releases/6.0.3.txt

@@ -17,6 +17,9 @@ Bugfixes
   to :ref:`override<tuple-for-params>` ``as_sql()`` to accept any sequence
   (:ticket:`36934`).
 
+* Fixed :exc:`TypeError` when deprecation warnings are emitted in environments
+  importing Django by namespace (:ticket:`36961`).
+
 * Fixed a visual regression where fieldset legends were misaligned in the admin
   (:ticket:`36920`).
 

tests/deprecation/tests.py

@@ -18,6 +18,10 @@ def setUp(self):
     def test_no_file(self):
         orig_file = django.__file__
         try:
+            # Depending on the cwd, Python might give a local checkout
+            # precedence over installed Django, producing None.
+            django.__file__ = None
+            self.assertEqual(django_file_prefixes(), ())
             del django.__file__
             self.assertEqual(django_file_prefixes(), ())
         finally: