Yossathorn Tianrungroj

[tune] Error saving checkpoint based on nested metric score

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### What happened + What you expected to happen I tried running a simple RL training using rllib and set `checkpoint_score_attr="evaluation/episode_reward_mean"` in `tune.run()`. The training ran properly except the checkpoint...

muspy.show_pianoroll bug when the music tracks are altered.

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To reproduce: ``` python dataset = muspy.LakhMIDIAlignedDataset("path/to/dataset") music = dataset[1].copy() music.tracks = music.tracks[:1] muspy.show_pianoroll(music, mode="hybrid", preset="frame") ``` The error: ``` File venv/lib/python3.10/site-packages/muspy/outputs/pianoroll.py:57, in to_pypianoroll(music) 55 for tempo in music.tempos: 56...

Basically, this works: ``` javascript 1 2 ``` But this throws runtime error: ``` javascript 1 2 ``` Full Error: ``` Failed to construct 'IntersectionObserver': rootMargin must be specified in...