fix client parse asr result, test=doc

demos/streaming_asr_server/websocket_client.py

@@ -36,7 +36,7 @@ def main(args):
     if args.wavfile and os.path.exists(args.wavfile):
         logger.info(f"start to process the wavscp: {args.wavfile}")
         result = loop.run_until_complete(handler.run(args.wavfile))
-        result = result["final_result"]
+        result = result["result"]
         logger.info(f"asr websocket client finished : {result}")
 
     # support to process batch audios from wav.scp 
@@ -47,7 +47,7 @@ def main(args):
             for line in f:
                 utt_name, utt_path = line.strip().split()
                 result = loop.run_until_complete(handler.run(utt_path))
-                result = result["final_result"]
+                result = result["result"]
                 w.write(f"{utt_name} {result}\n")