Update app.py

app.py

@@ -92,7 +92,7 @@ if generate_button:
     st.session_state.messages = []
     st.session_state.follow_up_mode = False
 
-    st.session_state.messages.append([{"role": "user", "content": question_generation_prompt}])
+    st.session_state.messages.append({"role": "user", "content": question_generation_prompt})
 
     # Create a query from user inputs and find the most relevant question
     query = f"{company} {difficulty} {topic}"