fix bug

app.py

@@ -589,10 +589,10 @@ def demo_lhm(pose_estimator, face_detector, lhm, cfg):
 
         os.makedirs(os.path.dirname(dump_video_path), exist_ok=True)
 
-        return rgb, dump_video_path
+        return rgb, dump_image_path, dump_video_path
 
     def core_fn_export(image, video_params, working_dir):
-        rgb, dump_video_path = core_fn(image=image, video_params=video_params, working_dir=working_dir)
+        rgb, dump_image_path, dump_video_path = core_fn(image=image, video_params=video_params, working_dir=working_dir)
         
         images_to_video(
             rgb,