Update app.py

app.py

@@ -104,7 +104,7 @@ async def get_bot_response(adapter_id, prompt, state, bot_index, character_name,
         "max_tokens": 250,
         "temperature": 0.7,
         "prompt": prompt,
-        "stop": ["<|im_end|>",f"{character_name}",f"{user_name}"]
+        "stop": ["<|im_end|>",f"{character_name}:",f"{user_name}:"]
     }
     headers = {
         "Accept": "application/json",