[Bugfix] Fix small typo in the example of Streaming delimiter (#14793)

examples/online_serving/api_client.py

@@ -42,7 +42,7 @@ def post_http_request(prompt: str,
 def get_streaming_response(response: requests.Response) -> Iterable[list[str]]:
     for chunk in response.iter_lines(chunk_size=8192,
                                      decode_unicode=False,
-                                     delimiter=b"\0"):
+                                     delimiter=b"\n"):
         if chunk:
             data = json.loads(chunk.decode("utf-8"))
             output = data["text"]

examples/online_serving/gradio_webserver.py

@@ -21,7 +21,7 @@ def http_bot(prompt):
 
     for chunk in response.iter_lines(chunk_size=8192,
                                      decode_unicode=False,
-                                     delimiter=b"\0"):
+                                     delimiter=b"\n"):
         if chunk:
             data = json.loads(chunk.decode("utf-8"))
             output = data["text"][0]