Issue #24857: Comparing call_args to a long sequence now correctly returns a
boolean result instead of raising an exception.

Patch by A Kaptur.
diff --git a/Lib/unittest/test/testmock/testmock.py b/Lib/unittest/test/testmock/testmock.py
index 976c40f..cf1673c 100644
--- a/Lib/unittest/test/testmock/testmock.py
+++ b/Lib/unittest/test/testmock/testmock.py
@@ -291,6 +291,9 @@
         self.assertEqual(mock.call_args,
                          ((sentinel.Arg,), {"kw": sentinel.Kwarg}))
 
+        # Comparing call_args to a long sequence should not raise
+        # an exception. See issue 24857.
+        self.assertFalse(mock.call_args == "a long sequence")
 
     def test_assert_called_with(self):
         mock = Mock()