Update app.py

app.py

@@ -377,7 +377,7 @@ def switch_working_frame(working_frame, scanned_frames, video_frames_dir):
             # Extract the integer from the match
             frame_number = int(match.group(1))
             ann_frame_idx = frame_number
-            new_working_frame = os.path.join(video_frames_dir, scanned_frames[ann_frame_idx_frame_idx])
+            new_working_frame = os.path.join(video_frames_dir, scanned_frames[ann_frame_idx])
             return new_working_frame, gr.State([]), gr.State([]), new_working_frame, new_working_frame
 
 with gr.Blocks() as demo: