old_contents: from django.shortcuts import _get_queryset
  from django.conf import settings
  
  
  def get_object_or_None(klass, *args, **kwargs):
      """
      Uses get() to return an object or None if the object does not exist.
  
      klass may be a Model, Manager, or QuerySet object. All other passed
      arguments and keyword arguments are used in the get() query.
  
      Note: Like with get(), a MultipleObjectsReturned will be raised if more than one
      object is found.
      """
      queryset = _get_queryset(klass)
      try:
          return queryset.get(*args, **kwargs)
      except queryset.model.DoesNotExist:
          return None
  
  
  
  def get_config(key, default):
      """
      Get settings from django.conf if exists,
      return default value otherwise
  
      example:
  
      ADMIN_EMAIL = get_config('ADMIN_EMAIL', 'default@email.com')
      """
      return getattr(settings, key, default)
  
new_contents: from django.shortcuts import _get_queryset
  from django.conf import settings
  
  
  def get_object_or_None(klass, *args, **kwargs):
      """
      Uses get() to return an object or None if the object does not exist.
  
      klass may be a Model, Manager, or QuerySet object. All other passed
      arguments and keyword arguments are used in the get() query.
  
      Note: Like with get(), a MultipleObjectsReturned will be raised if more than one
      object is found.
      """
      queryset = _get_queryset(klass)
      try:
          return queryset.get(*args, **kwargs)
      except queryset.model.DoesNotExist:
          return None
  
  
  
  def get_config(key, default=None):
      """
      Get settings from django.conf if exists,
      return default value otherwise
  
      example:
  
      ADMIN_EMAIL = get_config('ADMIN_EMAIL', 'default@email.com')
      """
      return getattr(settings, key, default)
  
subject: Set default for get_config to None.