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: Compute the metric.
docstr_tok: ["Compute","the","metric","."]
code: def compute(self):
      """Compute the metric."""
      pass
  
imports: import abc
label_desc: Use image node_id 3 for calling the CustomMetric obj's underlying member method code with example usage: obj.compute() without return types