save model

recommend-model-produce/src/main/python/tools/static_ps_trainer_v2.py

@@ -248,7 +248,7 @@ class Main(object):
 
             # trans to new format
             # {"model_filename":"", "params_filename":""} fleet每个参数一个文件，需要同这种方式加载
-            paddle.static.load_inference_model(os.path.join(model_dir, "dnn_plugin"), self.exe, {"model_filename":"", "params_filename":""})
+            paddle.static.load_inference_model(os.path.join(model_dir, "dnn_plugin"), model_filename=None, params_filename=None})
             paddle.static.save_inference_model(
                     os.path.join(model_dir, "dnn_plugin_new"),
                     [feed.name for feed in self.inference_feed_var],