code: def _set_flow_rate(pipette, params) -> None:
      
      flow_rate_param = params['flowRate']
  
      if not (flow_rate_param > 0):
          raise RuntimeError('Positive flowRate param required')
  
      pipette.flow_rate = {
          'aspirate': flow_rate_param,
          'dispense': flow_rate_param
      }
docs: Set flow rate in uL/mm, to value obtained from command's params.