Update app.py

app.py

@@ -68,7 +68,7 @@ if latest_ep_button:
     st.sidebar.subheader("Available Podcasts Feeds")
     selected_podcast = st.sidebar.selectbox("Select Podcast", options=podcast_five_titles,index=None,key='podcast_selection')
 
-    if selected_podcast:
+    if selected_podcast is not None:
 
         if 'podcast_selection' not in st.session_state:
             st.session_state.podcast_selection = selected_podcast