docstr: get the first node's deploy_mode as milvus deploy_mode
docstr_tok: ["get","the","first","node","'s","deploy_mode","as","milvus","deploy_mode"]
code: def deploy_mode(self):
      """get the first node's deploy_mode as milvus deploy_mode"""
      return (
          self.nodes[0]
          .get("infos")
          .get("system_info")
          .get("deploy_mode")
      )
  
file_path: milvus/tests/python_client/common/milvus_sys.py
imports: import ujson
  import json
  from pymilvus.grpc_gen import milvus_pb2
  from pymilvus import connections
label_desc: Use image node_id 4 for calling the MilvusSys obj's underlying member method code with example usage: obj.deploy_mode() and returns: self