Fix format positional argument specifier error in Python 2.6 tests

Author: Darep

test/test_integration/test_integration_test.py

@@ -52,11 +52,11 @@ def teardown_module(module):
         pool.map(destroy_server, manager.get_servers())
         pool.map(delete_tag, manager.get_tags())
     else:
-        print('removing {}'.format(CREATED_SERVERS))
+        print('removing {0}'.format(CREATED_SERVERS))
         for server in CREATED_SERVERS:
             server.stop_and_destroy()
 
-        print('removing {}'.format(CREATED_TAGS))
+        print('removing {0}'.format(CREATED_TAGS))
         for tag in CREATED_TAGS:
             manager.delete_tag(tag)
 
@@ -97,7 +97,7 @@ def test_infra_ops():
                 found = True
 
         if not found:
-            raise Exception('server {} not found in all_servers'.format(cs.uuid))
+            raise Exception('server {0} not found in all_servers'.format(cs.uuid))
 
     # assert servers' states
     # TODO(elnygren): add more assertions here