Getting TypeError when running image to video generation

[NamanArora]

Error Trace

Traceback (most recent call last):
  File "/workspace/crazyvid/LTX-Video/inference.py", line 13, in <module>
    main()
  File "/workspace/crazyvid/LTX-Video/inference.py", line 9, in main
    infer(config=config)
  File "/workspace/crazyvid/LTX-Video/ltx_video/inference.py", line 632, in infer
    video.append_data(frame)
  File "/workspace/crazyvid/LTX-Video/env/lib/python3.12/site-packages/imageio/v2.py", line 226, in append_data
    return self.instance.write(im, **self.write_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/workspace/crazyvid/LTX-Video/env/lib/python3.12/site-packages/imageio/plugins/pyav.py", line 674, in write
    self.init_video_stream(codec, fps=fps, pixel_format=out_pixel_format)
  File "/workspace/crazyvid/LTX-Video/env/lib/python3.12/site-packages/imageio/plugins/pyav.py", line 887, in init_video_stream
    stream = self._container.add_stream(codec, fps)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "av/container/output.py", line 60, in av.container.output.OutputContainer.add_stream
  File "av/codec/codec.pyx", line 85, in av.codec.codec.Codec.__cinit__
TypeError: expected bytes, NoneType found

Ran this command
python inference.py --prompt "Make the image come to life" --conditioning_media_paths jewellery-1515647069.jpg --conditioning_start_frames 0 --height 384 --width 384 --num_frames 201 --seed 34234 --pipeline_config configs/ltxv-13b-0.9.8-distilled.yaml

I'm on python 3.12.12

Was able to repro this error on 2 different machines and on different models as well (13b and 2b)