Update app.py

app.py

@@ -156,11 +156,10 @@ def select_songs(legit_genres):
     extract_button = centered_button(st.button, 'Extract music', n_columns=5)
 
     all_tracks_uris, all_tracks_audio_features, all_tracks_genres, indexes_by_genre, genres_labels = [None] * 5
+    updated_sources = False
     if extract_button or debug or 'extract_button' in st.session_state.keys():
         if extract_button:
             updated_sources = True
-        else:
-            updated_sources = False
         st.session_state['extract_button'] = True
         # check the user input music sources
         if playlist_links == "" and users_links == "":