code: def __invalid_gauge_mode_exception(self):
      return ValueError(
          str("Invalid gauge mode: {}".format(self.__gauge_mode))
      )
  
file_path: neptune-client/src/neptune/common/hardware/gauges/gauge_factory.py
imports: from neptune.common.hardware.gauges.cpu import CGroupCpuUsageGauge, SystemCpuUsageGauge
  from neptune.common.hardware.gauges.gauge_mode import GaugeMode
  from neptune.common.hardware.gauges.gpu import GpuMemoryGauge, GpuUsageGauge
  from neptune.common.hardware.gauges.memory import CGroupMemoryUsageGauge, SystemMemoryUsageGauge
label_desc: Use image node_id 6 for calling the GaugeFactory obj's underlying member method code with example usage: obj.__invalid_gauge_mode_exception() and returns: ValueError