Error running run_custom.py

[du-xinyi]

when I running

python run_custom.py --mode run_video --video_dir debug/2022-11-18-15-10-24_milk --out_folder debug/bundlesdf_2022-11-18-15-10-24_milk --use_segmenter 1 --use_gui 1 --debug_level 2

The image of the first frame is printed,but then error occurs

bundlesdf.py", line 398, in process_new_frame
    ref_frame = self.bundler._frames[list(self.bundler._frames.keys())[-1]]
AttributeError: 'my_cpp.MapFrame' object has no attribute 'keys'