Update app.py

app.py

@@ -54,7 +54,8 @@ def respond(
     prompt = "<s>"
     
     for m in history:
-        prompt += f"{user_name}: {m[0]}\n{ai_name}: {m[1]}"
+        prompt += f"{user_name}: {m[0].strip()}\n{ai_name}: {m[1].strip()}\n"
+    prompt += f"{ai_name}:"
 
     response = ""
     for tok in generate(prompt, use_rpc=use_rpc, max_tokens=max_tokens):