Update app.py

app.py

@@ -30,7 +30,7 @@ def write_elo_ratings(elo_ratings):
 def format_chatml_prompt(state):
     chatml_prompt = ""
     for message in state.get("history", []):
-        chatml_prompt += f"{:<|im_start|> "+message['role']}+"- "+ {message['content']}+"<|im_end|>\n"
+        chatml_prompt += f"<|im_start|> "+message['role']+"- "+ message['content']+"<|im_end|>\n"
     return chatml_prompt
 def get_bot_response(url, prompt):
     chatml_prompt = format_chatml_prompt(state)