code: def _sortObjects(orderby='created', **kwargs):
      o = []
      for m in kwargs.values():
          for l in iter(m):
              o.append(l)
      o = list(set(o))
      sortfunc = _sortByCreated if orderby == 'created' else _sortByModified
      if six.PY2:
          o.sort(sortfunc)
      else:
          o.sort(key=functools.cmp_to_key(sortfunc))
      return o