Add test

Author: neonene

Lib/test/datetimetester.py

@@ -7295,6 +7295,25 @@ def test_update_type_cache(self):
             """)
         script_helper.assert_python_ok('-c', script)
 
+    def test_static_type_at_shutdown(self):
+        # gh-132413
+        script = textwrap.dedent("""
+            import _datetime
+            timedelta = _datetime.timedelta
+
+            def gen():
+                try:
+                    yield
+                finally:
+                    # sys.modules is empty
+                    _datetime.timedelta(days=1)
+                    timedelta(days=1)
+
+            it = gen()
+            next(it)
+            """)
+        script_helper.assert_python_ok('-c', script)
+
 
 def load_tests(loader, standard_tests, pattern):
     standard_tests.addTest(ZoneInfoCompleteTest())