Update app.py

app.py

@@ -23,7 +23,7 @@ def respond(
 
     messages.append({"role": "user", "content": message})
 
-    input_ids = tokenizer.encode(messages, return_tensors="pt")
+    input_ids = tokenizer.encode(" ".join([m["content"] for m in messages]), return_tensors="pt")
 
     output = model.generate(
         input_ids,