def METHOD_NAME(self):
    from sonic_platform.fan import Fan
    num_fan = self._fan_conf['psu_fan'][self._psu_index]["num_of_fan"]
    for fan_index in range(0, num_fan):
        fan = Fan(fan_index, is_psu_fan=True,
                  psu_index=self._psu_index, conf=self._fan_conf)
        self._fan_list.append(fan)