code: def unregister_metric_class(names):
      for name in names:
          del metric_classes_dict[name]
  
file_path: poutyne/poutyne/framework/metrics/metrics_registering.py
imports: from poutyne.framework.metrics.utils import camel_to_snake
label_desc: Use image node_id 6 for calling a global function with example usage: unregister_metric_class(names) without return types