Update app.py

app.py

@@ -750,8 +750,8 @@ def server(input, output, session):
             pl.col('release_pos_x').mean().alias('release_pos_x'),
             pl.col('extension').mean().alias('extension'),
             pl.col('tj_stuff_plus').mean().alias('tj_stuff_plus'),
-            (pl.col('start_speed').filter(pl.col('batter_hand')=='L').count()).alias('rhh_count'),
-            (pl.col('start_speed').filter(pl.col('batter_hand')=='R').count()).alias('lhh_count')
+            (pl.col("batter_hand").eq("R").sum()).alias("rhh_count"),  # Corrected: Counts RHH (batter_hand == "R")
+            (pl.col("batter_hand").eq("L").sum()).alias("lhh_count")   # Corrected: Counts LHH (batter_hand == "L")
         ])
 
         # Join total pitches per pitcher to the grouped DataFrame on pitcher_id