code: def create(self, request, model_id, *args, **kwargs):
      ml_obj = Experiment.objects.get(id=model_id)
      label = request.data.get("label")
      # Preprocess the label field
      label = label.strip()
  
      if not isinstance(ml_obj.labels, list):
          ml_obj.labels = [label]
      else:
          ml_obj.labels += [label]
  
      ml_obj.save()
  
      return Response(ml_obj.labels, status=status.HTTP_201_CREATED)
  
file_path: modelchimp/modelchimp/views/api/experiment_label.py
imports: from rest_framework import generics
  from rest_framework.response import Response
  from rest_framework import status
  from modelchimp.models.experiment import Experiment
  from modelchimp.serializers.experiment_label import ExperimentLabelSerializer
  from modelchimp.api_permissions import HasProjectMembership
  from rest_framework.permissions import IsAuthenticated
label_desc: Use image node_id 1 for calling the ExperimentLabelAPI obj's underlying member method code with example usage: obj.create(request, model_id) and returns: Response