rename assertNotEquals to assertNotEqual

unittest renamed it and depricated assertNotEquals after 3.12

Author: dkropachev

tests/integration/standard/test_metadata.py

@@ -133,7 +133,7 @@ def test_bad_contact_point(self):
 
         # verify the un-existing host was filtered
         for host in self.cluster.metadata.all_hosts():
-            self.assertNotEquals(host.endpoint.address, '126.0.0.186')
+            self.assertNotEqual(host.endpoint.address, '126.0.0.186')
 
 
 class SchemaMetadataTests(BasicSegregatedKeyspaceUnitTestCase):