new_contents: # -*- coding: utf-8 -*-
  import os
  from sys import path
  from django.core import serializers
  from django.db import models, migrations
  
  fixture_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '../fixtures'))
  fixture_filename = 'initial_data.json'
  
  def load_fixture(apps, schema_editor):
      fixture_file = os.path.join(fixture_dir, fixture_filename)
  
      fixture = open(fixture_file, 'rb')
      objects = serializers.deserialize('json', fixture, ignorenonexistent=True)
      for obj in objects:
          obj.save()
      fixture.close()
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('core', '0001_initial')
      ]
  
      operations = [
         migrations.RunPython(load_fixture),
      ]
  
subject: add back the initial data loading migration