code: def _evaluate(self, Gs, Gs_kwargs, num_gpus):
      _ = Gs, Gs_kwargs, num_gpus
      self._report_result(0.0)
  
imports: import os
  import time
  import hashlib
  import numpy
  import tensorflow
  import dnnlib
  import dnnlib.tflib
  from training import misc
  from training import dataset
label_desc: Use image node_id 1 for calling the DummyMetric obj's underlying member method code with example usage: obj._evaluate(Gs, Gs_kwargs, num_gpus) without return types