Update app.py

app.py

@@ -617,7 +617,7 @@ def server(input, output, session):
             stat_list = batter_summary.columns[2:]
             batter_summary_filter_pd = batter_summary_filter.to_pandas()
             new_player_metrics = batter_summary.filter(pl.col('batter_id') == batter_id)[['batter_id'] + stat_list]
-            if new_player_metrics is None:
+            if len(new_player_metrics) == 0:
                 fig = plt.figure(figsize=(26,26))
                 fig.text(x=0.1,y=0.9,s='No Statcast Data For This Batter',fontsize=36,ha='left')
                 return fig
@@ -984,7 +984,7 @@ def server(input, output, session):
             stat_list = pitcher_summary.columns[2:]
             pitcher_summary_filter_pd = pitcher_summary_filter.to_pandas()
             new_player_metrics = pitcher_summary.filter(pl.col('pitcher_id') == pitcher_id)[['pitcher_id'] + stat_list]
-            if new_player_metrics is None:
+            if len(new_player_metrics) == 0:
                 fig = plt.figure(figsize=(26,26))
                 fig.text(x=0.1,y=0.9,s='No Statcast Data For This Pitcher',fontsize=36,ha='left')
                 return fig