Update app.py

app.py

@@ -316,6 +316,8 @@ def server(input, output, session):
         
         df_plot = df_plot[df_plot['batter_hand'].isin(split_dict_hand[input.split_id()])]
 
+        df_plot = df_plot.sort_values(by=['start_time'])
+
         if input.count_id_balls()=='greater' and input.count_id_strikes()=='greater' and int(input.ball_id())==0 and int(input.strike_id())==0:
             ball_title = ''
             strike_title = ''