Fix logger error message with partial callbacks

tests/test_utils/tests.py

@@ -4,6 +4,7 @@ import threading
 import traceback
 import unittest
 import warnings
+from functools import partial
 from io import StringIO
 from unittest import mock
 
@@ -2089,6 +2090,35 @@ class CaptureOnCommitCallbacksTests(TestCase):
         self.assertIsInstance(raised_exception, MyException)
         self.assertEqual(str(raised_exception), "robust callback")
 
+    def test_execute_robust_with_callback_as_partial(self):
+        class MyException(Exception):
+            pass
+
+        def hook():
+            self.callback_called = True
+            raise MyException("robust callback")
+
+        hook_partial = partial(hook)
+
+        with self.assertLogs("django.test", "ERROR") as cm:
+            with self.captureOnCommitCallbacks(execute=True) as callbacks:
+                transaction.on_commit(hook_partial, robust=True)
+
+        self.assertEqual(len(callbacks), 1)
+        self.assertIs(self.callback_called, True)
+
+        log_record = cm.records[0]
+        self.assertRegex(
+            log_record.getMessage(),
+            r"Error calling functools\.partial\(<function CaptureOnCommitCallbacksTests"
+            r"\.test_execute_robust_with_callback_as_partial\.<locals>\.hook"
+            r" at .+>\) in on_commit\(\) \(robust callback\)\.",
+        )
+        self.assertIsNotNone(log_record.exc_info)
+        raised_exception = log_record.exc_info[1]
+        self.assertIsInstance(raised_exception, MyException)
+        self.assertEqual(str(raised_exception), "robust callback")
+
 
 class DisallowedDatabaseQueriesTests(SimpleTestCase):
     def test_disallowed_database_connections(self):