class_docstr: Abstract class for defining custom metrics.
  
  The class defines the interface for custom metrics.
class_docstr_tok: ["Abstract","class","for","defining","custom","metrics",".","The","class","defines","the","interface","for","custom","metrics","."]
docstr: Update the metric with the output of the model.
docstr_tok: ["Update","the","metric","with","the","output","of","the","model","."]
code: def update(self, output):
      """Update the metric with the output of the model."""
      pass
  
imports: import abc
label_desc: Use image node_id 2 for calling the CustomMetric obj's underlying member method code with example usage: obj.update(output) without return types