code: def update_comment_count(sender, instance, created, **kwargs):
      if created:
          obj = Experiment.objects.get(pk=instance.ml_model.id)
          obj.comment_count += 1
          obj.save()
  
file_path: modelchimp/modelchimp/signals.py
imports: from allauth.exceptions import ImmediateHttpResponse
  from allauth.account.signals import user_signed_up
  from allauth.socialaccount.signals import pre_social_login
  from django.conf import settings
  from django.shortcuts import render_to_response
  from django.db.models.signals import post_save
  from django.dispatch import receiver
  from modelchimp.models.comment import Comment
  from modelchimp.models.profile import Profile
  from modelchimp.models.experiment import Experiment
label_desc: Use image node_id 1 for calling a global function with example usage: update_comment_count(sender, instance, created) without return types