当我尝试用acumos生成一个模型时,我得到了这个错误: File "/Users/fredericchantrel/.pyenv/versions/ticl-v2-virtualenv-3.6.5/lib/python3.6/site-packages/acumos/pickler.py", line 245, in wrapped_save
File "/Users/fredericchantrel/.pyenv/versions/ticl-v2-virtualenv-3.6.5/lib/python3.6/site-packages/tens