code: def execute(self, ignore_cache=False, raise_on_error=True):
          
          if ignore_cache or not hasattr(self, '_response'):
              es = connections.get_connection(self._using)
  
              responses = es.msearch(
                  index=self._index,
                  body=self.to_dict(),
                  **self._params
              )
  
              out = []
              for s, r in zip(self._searches, responses['responses']):
                  if r.get('error', False):
                      if raise_on_error:
                          raise TransportError('N/A', r['error']['type'], r['error'])
                      r = None
                  else:
                      r = Response(s, r)
                  out.append(r)
  
              self._response = out
  
          return self._response
docs: Execute the multi search request and return a list of search results.