old_contents: from django.db.models import signals
  
  
  def create_perm(app, created_models, verbosity, db, **kwargs):
      """
      Creates a fake content type and permission
      to be able to check for permissions
      """
      from django.contrib.auth.models import Permission
      from django.contrib.contenttypes.models import ContentType
  
      if ContentType._meta.installed and Permission._meta.installed:
          content_type, created = ContentType.objects.get_or_create(
              name='config',
              app_label='constance',
              model='config')
  
          permission, created = Permission.objects.get_or_create(
              name='Can change config',
              content_type=content_type,
              codename='change_config')
  
  
  signals.post_syncdb.connect(create_perm, dispatch_uid="constance.create_perm")
  
new_contents: from django.db.models import signals
  from django import VERSION
  
  
  def create_perm(app, created_models, verbosity, db, **kwargs):
      """
      Creates a fake content type and permission
      to be able to check for permissions
      """
      from django.contrib.auth.models import Permission
      from django.contrib.contenttypes.models import ContentType
  
      if ContentType._meta.installed and Permission._meta.installed:
          extra = {} if VERSION >= (1, 8) else {'name': 'config'}
          content_type, created = ContentType.objects.get_or_create(
              app_label='constance',
              model='config',
              **extra)
  
          permission, created = Permission.objects.get_or_create(
              name='Can change config',
              content_type=content_type,
              codename='change_config')
  
  
  signals.post_syncdb.connect(create_perm, dispatch_uid="constance.create_perm")
  
subject: Make 1.8 compatible