add readme

python/examples/pipeline/web_service/README.md

+# Default Pipeline Web Service
+
+This document will takes UCI service as an example to introduce how to use DefaultPipelineWebService.
+
+## Get model
+```
+sh get_data.sh
+```
+
+## Start server
+
+```
+python web_service.py &>log.txt &
+```
+
+## Http test
+```
+curl -X POST -k http://localhost:18080/prediction -d '{"key": ["x"], "value": ["0.0137, -0.1136, 0.2553, -0.0692, 0.0582, -0.0727, -0.1583, -0.0584, 0.6283, 0.4919, 0.1856, 0.0795, -0.0332"]}'
+```
+
+## More
+`web_service.py` and `local_pipeline_server.py` are essentially the same.

python/paddle_serving_server_gpu/__init__.py

@@ -197,9 +197,6 @@ class Server(object):
         self.gpuid = 0
         self.model_config_paths = None  # for multi-model in a workflow
 
-    def get_fetch_list(self):
-        return [var.alias_name for var in self.model_conf.fetch_var]
-
     def set_max_concurrency(self, concurrency):
         self.max_concurrency = concurrency