Add stale revision error code

Change-Id: I6b3586885d210867c2fd4ab9ba66273b11a47843

vmware_nsxlib/v3/client.py

@@ -44,6 +44,7 @@ def http_error_to_exception(status_code, error_code, related_error_codes=None):
              '500030': exceptions.ResourceInUse,
              '500087': exceptions.StaleRevision,
              '500105': exceptions.NsxOverlapAddresses,
+             '500232': exceptions.StaleRevision,  # Missing dependent objects
              '503040': exceptions.NsxSegemntWithVM,
              '100148': exceptions.StaleRevision},
         requests.codes.CONFLICT: exceptions.StaleRevision,