code: def __init__(self, name="Metric"):
      super(DummyMetric, self).__init__(name)
      self.reset()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import tempfile
  import tensorflow
  from tf_agents.metrics import py_metric
label_desc: Use image node_id 1 to create a new DummyMetric object from inherited base classes: py_metric with example: obj = DummyMetric(name)