Update app.py

app.py

@@ -22,7 +22,8 @@ if time_series:
 if chatbot:
     st.header("Chat with me.")
     
-    pipe = pipeline("sentiment-analysis")
+    pipe = pipeline("question-answering", model="google/gemma")
+    
     text = st.text_area("Food security is a global challenge. Let's work together to find solutions. How can I help you today?")
 
     if text: