text: from xapian_backend import XapianEngine, XapianSearchBackend
  
  
  class SearchBackend(XapianSearchBackend):
      def update(self, index, iterable, commit=True):
          return super().update(index, iterable)
  
      def remove(self, obj, commit=True):
          return super().remove(obj)
  
  
  class Engine(XapianEngine):
      backend = SearchBackend
  