old_contents: from waldur_mastermind.marketplace import processors
  
  
  class BookingCreateProcessor(processors.CreateResourceProcessor):
      def get_serializer_class(self):
          pass
  
      def get_viewset(self):
          pass
  
      def get_post_data(self):
          pass
  
      def get_scope_from_response(self, response):
          pass
  
  
  class BookingDeleteProcessor(processors.CreateResourceProcessor):
      def get_viewset(self):
          pass
  
      def get_post_data(self):
          pass
  
      def get_scope_from_response(self, response):
          pass
  
      def get_serializer_class(self):
          pass
  
new_contents: from waldur_mastermind.marketplace import processors
  
  
  class BookingCreateProcessor(processors.CreateResourceProcessor):
      def get_serializer_class(self):
          pass
  
      def get_viewset(self):
          pass
  
      def get_post_data(self):
          pass
  
      def get_scope_from_response(self, response):
          pass
  
  
  class BookingDeleteProcessor(processors.DeleteResourceProcessor):
      pass
  
subject: Fix false inheritance [WAL-2530]