Update app.py

app.py

@@ -255,7 +255,6 @@ def http_bot(
     api_token = os.environ.get("API_TOKEN", "")
     headers = {"Authorization": f"{api_token}", "Content-Type": "application/json"}
 
-    state.append_message(Conversation.ASSISTANT, state.streaming_placeholder)
     # No available worker
     if worker_addr == "":
         # state.messages[-1][-1] = server_error_msg
@@ -286,6 +285,7 @@ def http_bot(
         "stream": True
     }
     logger.info(f"==== request ====\n{pload}")
+    state.append_message(Conversation.ASSISTANT, state.streaming_placeholder)
     yield (
         state,
         state.to_gradio_chatbot(),