ValueError: zero-dimensional arrays cannot be concatenated

(timelens) C:\Users\kurs\Documents\rpg_timelens>python -m timelens.run_timelens checkpoint.bin C:\Users\kurs\Desktop\rpg_events C:\Users\kurs\Desktop\rpg_upsampled_1 C:\Users\kurs\Desktop\output
Processing .
100%|█████████████████████████████████████████████████████████████████████████████| 1392/1392 [00:02<00:00, 492.17it/s]
Traceback (most recent call last):
  File "C:\Users\kurs\anaconda3\envs\timelens\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\Users\kurs\anaconda3\envs\timelens\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\kurs\Documents\rpg_timelens\timelens\run_timelens.py", line 176, in <module>
    main()
  File "C:\Users\kurs\anaconda3\envs\timelens\lib\site-packages\click\core.py", line 1137, in __call__
    return self.main(*args, **kwargs)
  File "C:\Users\kurs\anaconda3\envs\timelens\lib\site-packages\click\core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "C:\Users\kurs\anaconda3\envs\timelens\lib\site-packages\click\core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "C:\Users\kurs\anaconda3\envs\timelens\lib\site-packages\click\core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "C:\Users\kurs\Documents\rpg_timelens\timelens\run_timelens.py", line 170, in main
    number_of_frames_to_insert,
  File "C:\Users\kurs\Documents\rpg_timelens\timelens\run_timelens.py", line 120, in run_recursively
    leaf_event_folder, leaf_image_folder, "*.npz", "*.png"
  File "C:\Users\kurs\Documents\rpg_timelens\timelens\common\hybrid_storage.py", line 81, in from_folders
    event_file_template=event_file_template
  File "C:\Users\kurs\Documents\rpg_timelens\timelens\common\event.py", line 424, in from_folder
    return cls.from_npz_files(filenames, image_height, image_width)
  File "C:\Users\kurs\Documents\rpg_timelens\timelens\common\event.py", line 440, in from_npz_files
    features = np.concatenate(features_list)
  File "<__array_function__ internals>", line 6, in concatenate
ValueError: zero-dimensional arrays cannot be concatenated
How can i fix this error?
uzh-rpg / rpg_timelens

ValueError: zero-dimensional arrays cannot be concatenated #27
