[2.2.x] Fixed #25624 -- Fixed autoreload crash with jinja2.ModuleLoader.

Backport of 1e92407f83ed35be35f876777935b983ab9587be from master.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/utils_tests/test_autoreload.py b/tests/utils_tests/test_autoreload.py
index 6aa272dd9a..de05e2d5f5 100644
--- a/tests/utils_tests/test_autoreload.py
+++ b/tests/utils_tests/test_autoreload.py
@@ -6,6 +6,7 @@ import sys
 import tempfile
 import threading
 import time
+import weakref
 import zipfile
 from importlib import import_module
 from pathlib import Path
@@ -116,6 +117,13 @@ class TestIterModulesAndFiles(SimpleTestCase):
             self.import_and_cleanup('test_compiled')
         self.assertFileFound(compiled_file)
 
+    def test_weakref_in_sys_module(self):
+        """iter_all_python_module_file() ignores weakref modules."""
+        time_proxy = weakref.proxy(time)
+        sys.modules['time_proxy'] = time_proxy
+        self.addCleanup(lambda: sys.modules.pop('time_proxy', None))
+        list(autoreload.iter_all_python_module_files())  # No crash.
+
 
 class TestCommonRoots(SimpleTestCase):
     def test_common_roots(self):