docs: def _validate_order(self, order):
          """Check that the given order is valid."""
  
          try:
              order = int(order)
          except ValueError as e:
              raise TypeError('MOC order must be convertable to int')
  
          if not 0 <= order <= MAX_ORDER:
              raise ValueError(
                  'MOC order must be in range 0-{0}'.format(MAX_ORDER))
  
          return order