old_contents: from django import template
  from django.conf import settings
  
  from .utils import get_menu_from_apps
  from .. import defaults
  from ..menu import generate_menu
  
  register = template.Library()
  
  
  @register.assignment_tag(takes_context=True)
  def get_menu(context, menu_name):
      """
      Returns a consumable menu list for a given menu_name found in settings.py.
      Else it returns an empty list.
  
      Update, March 18 2017: Now the function get the menu list from settings and append more items if found on the
      menus.py's 'MENUS' dict.
      :param context: Template context
      :param menu_name: String, name of the menu to be found
      :return: Generated menu
      """
      menu_list = getattr(settings, menu_name, defaults.MENU_NOT_FOUND)
      menu_from_apps = get_menu_from_apps(menu_name)
      # If there isn't a menu on settings but there is menu from apps we built menu from apps
      if menu_list == defaults.MENU_NOT_FOUND and menu_from_apps:
          menu_list = menu_from_apps
      # It there is a menu on settings and also on apps we merge both menus
      elif menu_list != defaults.MENU_NOT_FOUND and menu_from_apps:
          menu_list += menu_from_apps
      return generate_menu(context['request'], menu_list)
  
new_contents: from django import template
  from django.conf import settings
  
  from .utils import get_menu_from_apps
  from .. import defaults
  from ..menu import generate_menu
  
  register = template.Library()
  
  
  @register.simple_tag(takes_context=True)
  def get_menu(context, menu_name):
      """
      Returns a consumable menu list for a given menu_name found in settings.py.
      Else it returns an empty list.
  
      Update, March 18 2017: Now the function get the menu list from settings and append more items if found on the
      menus.py's 'MENUS' dict.
      :param context: Template context
      :param menu_name: String, name of the menu to be found
      :return: Generated menu
      """
      menu_list = getattr(settings, menu_name, defaults.MENU_NOT_FOUND)
      menu_from_apps = get_menu_from_apps(menu_name)
      # If there isn't a menu on settings but there is menu from apps we built menu from apps
      if menu_list == defaults.MENU_NOT_FOUND and menu_from_apps:
          menu_list = menu_from_apps
      # It there is a menu on settings and also on apps we merge both menus
      elif menu_list != defaults.MENU_NOT_FOUND and menu_from_apps:
          menu_list += menu_from_apps
      return generate_menu(context['request'], menu_list)
  
subject: Use simple_tag instead of assignment_tag