[MusicBERT] Issue on running gen_genre.py

[somejingyu]

I have set up the environment and prepared the lmd_full.zip file.
Then I tried to run gen_genre.py, entering the required subset name, the path to lmd_full.zip, and the sequence length as specified in the code. However, I encountered a large number of errors similar to the following:

ERROR(READ): lmd_full/0/0435c5ba618a4e13d66e233b900aa7c5.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/b/baffbc273463f3e89f006378670e50be.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/0/0d17ce8e8763def843e35c6e6049780a.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/2/271f161feed36e63f206094318ff7137.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/c/c3452810f1d9c64fd0730eed2252ed98.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/7/754b08511374a251f36944e91555960d.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/3/33a2719e14d5a9ee7ffebc3665e58c79.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/9/9704d1821a42da4ab04bb7dbc92a0910.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/4/44bf5723409d89af4ddad7e58e9e9e57.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/3/3afaf3d878b8e9c7f7d0636680ca4fe1.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/f/f9b22373e95e52fd734aff6abe2b64f4.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/f/faf81d2a62a1119ccce24ed65b4fc608.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/f/f80980f7e9972080b31a3e6383763272.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/8/84426170c243f2d81854ff237c4f5ccd.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/d/d97ddec0b873158a1dc750e647851bbe.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/6/664282902e652d581504f8f19a0310f0.mid 'NoneType' object has no attribute 'open'
ERROR(READ): lmd_full/5/59960b34de41b9558365862d144574a2.mid 'NoneType' object has no attribute 'open'

Why is this happening?

我配置好了环境，并准备好了lmd_full.zip文件。
之后我试图运行gen_genre.py，按照代码要求输入了subset名称、lmd_full.zip的地址、以及sequence length，但是弹出了大量类似上面这样的错误。
请问这是为什么？

[somejingyu]

anybody please?
有人吗？求助