NETWORK-8987 - fixing minor indentation to resolve pep8 error

Author: Anjana-Rajagopal

tests/CLI/modules/securitygroup_tests.py

@@ -121,7 +121,7 @@ def test_securitygroup_rule_list(self):
                            'portRangeMax': None,
                            'createDate': None,
                            'modifyDate': None}],
-                          json.loads(result.output))
+                         json.loads(result.output))
 
     def test_securitygroup_rule_add(self):
         result = self.run_command(['sg', 'rule-add', '100',