class_docstr: Defines the interface for TF metrics.
docstr: Resets the values being tracked by the metric.
docstr_tok: ["Resets","the","values","being","tracked","by","the","metric","."]
code: def reset(self):
      """Resets the values being tracked by the metric."""
      raise NotImplementedError(
          "Metrics must define a reset() member function"
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  from tf_agents.utils import common
label_desc: Use image node_id 3 for calling the TFStepMetric obj's underlying member method code with example usage: obj.reset() without return types