Update app.py

app.py

@@ -258,7 +258,7 @@ def simple_chat(message, temperature: float = 0.8, max_length: int = 4096, top_p
     )
     gen_kwargs = {**input_ids, **generate_kwargs}
 
-       buffer = ""
+    buffer = ""
 
     def generate_text():
         nonlocal buffer