Created by: iceriver97

保存模型的语句： serving_io.save_model("RE_model","RE_client_conf", {"text": str_id}, {"prediction":new_variable},fluid.default_main_program()) 报错信息：

Traceback (most recent call last):
  File "./ernie/run_duie.py", line 403, in <module>
    main(args)
  File "./ernie/run_duie.py", line 345, in main
    serving_io.save_model("RE_model","RE_client_conf", {"text": str_id}, {"prediction":new_variable},fluid.default_main_program())
  File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle_serving_client/io/__init__.py", line 35, in save_model
    feed_var_names = [feed_var_dict[x].name for x in feed_var_dict]
  File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle_serving_client/io/__init__.py", line 35, in <listcomp>
    feed_var_names = [feed_var_dict[x].name for x in feed_var_dict]
  File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/framework.py", line 639, in name
    return self._ivar.name
AttributeError: 'Variable' object has no attribute '_ivar'

其中 str_id，new_variable的类型均为 <class 'paddle.fluid.framework.Variable'>