Update app.py

app.py

@@ -30,14 +30,13 @@ pipeline = transformers.pipeline(
     device_map="auto",
 )
 
-question = None
 
 with st.container():
     st.write('\n\n')
     st.title('LLM-LANAChat\n\n')
     question = st.text_input("Chat", placeholder="E ai?")
 
-    if question is not None:
+    if question:
         messages = [
          # {"role": "system", "content": "You are a chatbot"},
         {"role": "user", "content": question}