Update app.py

app.py

@@ -300,6 +300,8 @@ def generate_text(input_text, messages=None):
     streamer = STOKEStreamer(tok, classifier_token, classifier_span)
 
     new_tags = label_map
+
+    messages = []
     
     system="""You are a knowledge assistant. Keep your responses very short."""
     messages = [{"role": "system", "content": system}]+ [{"role": x["role"], "content": clean_html(x["content"])} for x in messages] +[{"role": "user", "content": input_text}]