Update app.py

app.py

@@ -246,7 +246,7 @@ if not st.session_state['interview_started']:
 
     
     role = st.selectbox('Select Role', list(roles_and_topics.keys()))
-    topic = st.selectbox('Select Topic', roles_and_topics[selected_topic_level])
+    topic = st.selectbox('Select Topic', roles_and_topics[role])
     difficulty_level = st.selectbox("Select difficulty level:", ["Easy", "Medium", "Hard"])
 
     if st.button("Start Interview"):