fix bug

app.py

@@ -23,6 +23,7 @@ hourglass_args = {
 }
 
 def predict(image, speed_mode, points_per_side):
+    points_per_side = int(points_per_side)
     mask_generator = SamAutomaticMaskGenerator(
         build_sam(checkpoint="sam_vit_h_4b8939.pth", hourglass_kwargs=hourglass_args[speed_mode]), 
         points_per_side=points_per_side,
@@ -86,7 +87,7 @@ def main():
         
         run_btn.click(
             fn=predict, 
-            inputs=[input_image, speed_mode, int(points_per_side)], 
+            inputs=[input_image, speed_mode, points_per_side], 
             outputs=output_image
         )
         clear_btn.click(