old_contents: from __future__ import unicode_literals
  
  from nodeconductor.core import NodeConductorExtension
  
  
  class PackagesExtension(NodeConductorExtension):
  
      @staticmethod
      def django_app():
          return 'nodeconductor_assembly_waldur.packages'
  
      @staticmethod
      def rest_urls():
          from .urls import register_in
          return register_in
  
new_contents: from __future__ import unicode_literals
  
  from nodeconductor.core import NodeConductorExtension
  
  
  class PackagesExtension(NodeConductorExtension):
  
      @staticmethod
      def django_app():
          return 'nodeconductor_assembly_waldur.packages'
  
      @staticmethod
      def rest_urls():
          from .urls import register_in
          return register_in
  
      @staticmethod
      def is_assembly():
          return True
  
subject: Mark packages as assembly extension