运行huggingface Kosmos2报错 nameerror: name ‘kosmos2tokenizer‘ is not defined

尝试运行huggingface上的Kosmos，https://huggingface.co/ydshieh/kosmos-2-patch14-224失败，报错：

nameerror: name 'kosmos2tokenizer' is not defined

查看报错代码：

vi /root/.cache/huggingface/modules/transformers_modules/ydshieh/kosmos-2-patch14-224/48e3edebaeb02dc9fe105f40e85a43a3b440dc72/tokenization_kosmos2_fast.py

看到以下代码：

print('available: ', is_sentencepiece_available())
if is_sentencepiece_available():