Update app.py

app.py

@@ -275,7 +275,7 @@ def sam_process(input_first_frame_image, checkpoint, tracking_points, trackings_
 
     return "output_first_frame.jpg", frame_names, inference_state
 
-def propagate_to_all(video_in, video_incheckpoint, stored_inference_state, stored_frame_names, video_frames_dir, vis_frame_type):   
+def propagate_to_all(video_in, checkpoint, stored_inference_state, stored_frame_names, video_frames_dir, vis_frame_type):   
     #### PROPAGATION ####
     sam2_checkpoint, model_cfg = load_model(checkpoint)
     predictor = build_sam2_video_predictor(model_cfg, sam2_checkpoint)