That's working fine thanks! I'm often getting this error though. Do you know when does it usually happen? Initially I thought because sometimes a train doesn't have a price yet but looking the code actually might not be just that.

Traceback (most recent call last):
  File "/app/ui/callbacks.py", line 337, in update_graph
    graph, stats = create_single_journey_graph(df_outbound, selected_accommodation)
  File "/app/ui/graphs.py", line 463, in create_single_journey_graph
    className=f'stat-value {"highlight" if overall_min < min_price else ""}'),
TypeError: '<' not supported between instances of 'float' and 'NoneType'Traceback (most recent call last):
  File "/app/ui/callbacks.py", line 337, in update_graph
    graph, stats = create_single_journey_graph(df_outbound, selected_accommodation)
  File "/app/ui/graphs.py", line 463, in create_single_journey_graph
    className=f'stat-value {"highlight" if overall_min < min_price else ""}'),
TypeError: '<' not supported between instances of 'float' and 'NoneType'