new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  def add_colleges(apps, schema_editor):
      College = apps.get_model('clubs', 'College')
      # Variables are named: <city_code>_<college_code>_<gender_code>.
      College.objects.create(city='R', section='NG', name='A', gender='F')
      College.objects.create(city='R', section='NG', name='P', gender='F')
      # Collge of Public Health was created manually on enjazportal.com.
      # Let's make sure all other installations have this college as
      # well:
      if not College.objects.filter(city='R', section='NG', name='I',
                                    gender='M'):
          College.objects.create(city='R', section='NG', name='I',
                                 gender='M')
  
  def remove_colleges(apps, schema_editor):
      College = apps.get_model('clubs', 'College')
      College.objects.get(city='R', section='NG', name='A',
                          gender='F').delete()
      College.objects.get(city='R', section='NG', name='P',
                          gender='F').delete()
      College.objects.get(city='R', section='NG', name='I',
                             gender='M').delete()
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('clubs', '0009_more_sections_and_club_gender'),
      ]
  
      operations = [
         migrations.RunPython(
              add_colleges,
              reverse_code=remove_colleges),
      ]
  
subject: Add new and missing colleges.