old_contents: from django.conf import settings
  from .models import Switch
  
  
  def is_active(label, user=None):
      defaults = getattr(settings, 'HASHBROWN_SWITCH_DEFAULTS', {})
  
      globally_active = defaults[label].get(
          'globally_active',
          False) if label in defaults else False
  
      description = defaults[label].get(
          'description',
          '') if label in defaults else ''
  
      switch, created = Switch.objects.get_or_create(
          label=label, defaults={
              'globally_active': globally_active,
              'description': description,
          })
  
      if created:
          return switch.globally_active
  
      if switch.globally_active or (
          user and user.available_switches.filter(pk=switch.pk).exists()
      ):
          return True
      return False
  
new_contents: from django.conf import settings
  from .models import Switch
  
  
  SETTINGS_KEY = 'HASHBROWN_SWITCH_DEFAULTS'
  
  
  def is_active(label, user=None):
      defaults = getattr(settings, SETTINGS_KEY, {})
  
      globally_active = defaults[label].get(
          'globally_active',
          False) if label in defaults else False
  
      description = defaults[label].get(
          'description',
          '') if label in defaults else ''
  
      switch, created = Switch.objects.get_or_create(
          label=label, defaults={
              'globally_active': globally_active,
              'description': description,
          })
  
      if created:
          return switch.globally_active
  
      if switch.globally_active or (
          user and user.available_switches.filter(pk=switch.pk).exists()
      ):
          return True
      return False
  
subject: Use a constant for the 'HASHBROWN_SWITCH_DEFAULTS' settings key so it is easier to re-use.