code: def get_pipeline(self, id=None, params=None):
          
          return self.transport.perform_request('GET', _make_path('_ingest',
              'pipeline', id), params=params)
docs: `<https://www.elastic.co/guide/en/elasticsearch/plugins/current/ingest.html>`_
  
          :arg id: Comma separated list of pipeline ids. Wildcards supported
          :arg master_timeout: Explicit operation timeout for connection to master
              node