code: def __init__(self, *args, **kwargs):
      self.metric_list = kwargs.pop("metric_list", [None, None])
      super(ExperimentImageSerializer, self).__init__(*args, **kwargs)
  
imports: from rest_framework import serializers
  from modelchimp.models.experiment_image import ExperimentImage
label_desc: Use image node_id 4 to create a new ExperimentImageSerializer object from inherited base classes: serializers with example: obj = ExperimentImageSerializer()