old_contents: import operator
  
  from django.conf import urls
  
  from .urljects import url, resolve_name
  
  
  class RouteMap(object):
      """
          Records mapping of URLs to views
      """
  
      def __init__(self):
          self.routes = []
  
      def __call__(self, url_pattern, view=None, name=None, priority=0,
                   kwargs=None):
          """
          Register a URL -> view mapping, or return a registering decorator
  
          :param url_pattern: regex or URLPattern or anything passable to url()
          :param view: The view. If None, a decorator will be returned
  
          The remaining arguments should be given by name:
  
          :param name: name of the view; resolve_name() will be used otherwise.
          :param priority: priority for sorting; pass e.g. -1 for catch-all route
          """
  
          def router_decorator(view):
              if name is None:
                  resolved_name = resolve_name(view)
              else:
                  resolved_name = name
              url_object = url(url_pattern, view, kwargs=kwargs,
                               name=resolved_name)
              self.routes.append((priority, url_object))
              return view
  
          # If view was given, decorate it immediately
          if view is not None:
              return router_decorator(view)
  
          return router_decorator
  
      def include(self, location, namespace=None, app_name=None):
          """
          Return an object suitable for url_patterns.
  
          :param location: root URL for all URLs from this router
          :param namespace: passed to url()
          :param app_name: passed to url()
          """
          sorted_entries = sorted(self.routes, key=operator.itemgetter(0),
                                  reverse=True)
  
          # pylint:disable=unused-variable
          arg = [u for p, u in sorted_entries]
          return url(location, urls.include(
              arg=arg,
              namespace=namespace,
              app_name=app_name))
  
new_contents: import operator
  
  from django.conf import urls
  
  from .urljects import url, resolve_name
  
  
  class RouteMap(object):
      """
          Records mapping of URLs to views
      """
  
      def __init__(self):
          self.routes = []
  
      def __call__(self, url_pattern, view=None, name=None, priority=0,
                   kwargs=None):
          """
          Register a URL -> view mapping, or return a registering decorator
  
          :param url_pattern: regex or URLPattern or anything passable to url()
          :param view: The view. If None, a decorator will be returned
  
          The remaining arguments should be given by name:
  
          :param name: name of the view; resolve_name() will be used otherwise.
          :param priority: priority for sorting; pass e.g. -1 for catch-all route
          :param kwargs: passed to url()
          """
          def router_decorator(view):
              if name is None:
                  resolved_name = resolve_name(view)
              else:
                  resolved_name = name
              url_object = url(url_pattern, view, kwargs=kwargs,
                               name=resolved_name)
              self.routes.append((priority, url_object))
              return view
  
          # If view was given, decorate it immediately
          if view is not None:
              return router_decorator(view)
  
          return router_decorator
  
      def include(self, location, namespace=None, app_name=None):
          """
          Return an object suitable for url_patterns.
  
          :param location: root URL for all URLs from this router
          :param namespace: passed to url()
          :param app_name: passed to url()
          """
          sorted_entries = sorted(self.routes, key=operator.itemgetter(0),
                                  reverse=True)
  
          arg = [u for _, u in sorted_entries]
          return url(location, urls.include(
              arg=arg,
              namespace=namespace,
              app_name=app_name))
  
subject: Remove 'prefix' in 'url' because it was removed in django 1.10