Update app.py

app.py

@@ -320,7 +320,7 @@ def server(input, output, session):
                         df_summ_player['barrel_percent'] = np.nan
                         df_summ_player['hard_hit_percent'] = np.nan
                         df_summ_player['xwoba_percent'] = np.nan
-                if df_summ_player['launch_speed'].isna().values[0]:
+                if df_summ_player_pct['launch_speed'].isna().values[0]:
                         df_summ_player_pct['sweet_spot_percent'] = np.nan
                         df_summ_player_pct['barrel_percent'] = np.nan
                         df_summ_player_pct['hard_hit_percent'] = np.nan