Fixed #36951 -- Removed empty exc_info from log_task_finished signal handler.

Before, if no exception occurred, "None Type: None" was logged.

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/tasks/test_immediate_backend.py b/tests/tasks/test_immediate_backend.py
index 356e9ab264..36b63faff8 100644
--- a/tests/tasks/test_immediate_backend.py
+++ b/tests/tasks/test_immediate_backend.py
@@ -228,6 +228,15 @@ class ImmediateBackendTestCase(SimpleTestCase):
         self.assertIn("state=FAILED", captured_logs.output[2])
         self.assertIn(result.id, captured_logs.output[2])
 
+    def test_successful_task_no_none_in_logs(self):
+        with self.assertLogs("django.tasks", level="DEBUG") as captured_logs:
+            result = test_tasks.noop_task.enqueue()
+
+        self.assertEqual(result.status, TaskResultStatus.SUCCESSFUL)
+
+        for log_output in captured_logs.output:
+            self.assertNotIn("None", log_output)
+
     def test_takes_context(self):
         result = test_tasks.get_task_id.enqueue()