Dongming (Ben) Li

I meet the same problem with tensorflow 2.4.0. When I tried to load a checkpoint downloaded from [magenta](gs://magentadata/models/music_transformer/checkpoints/) as in the [colab](https://colab.research.google.com/notebooks/magenta/piano_transformer/piano_transformer.ipynb#scrollTo=PBngSJvP_En7), it fails. When I run the training commands,...

Thanks for your feedback. After googling around, I find that it is because Noetic forbids the lack of namespace in xacro, as in [this question](https://answers.ros.org/question/250897/trouble-with-xacro-tags-without-the-namespace-in-ros-jade/). I successfully solve this problem...

Just a following up comment, it seems that the cause of the above problem is that the ```center_lazer``` or ```scan``` is somehow broken. Still, I have no clue on how...

中文模型开源了吗