python import gensim error: ModuleNotFoundError: No module named ‘dataclasses‘

Environmental Science ：

python 3.6.8

gensim == 4.2.0

import gensim when , The error report is shown in the title

Question why ： because dataclasses stay python3.7 To support

Similar error reporting reference ：ModuleNotFoundError: No module named 'dataclasses' · Issue #31 · facebookresearch/pytorch3d · GitHub

Solution ： to gensim Downgrade

pip install gensim==3.8.3 -i https://pypi.mirrors.ustc.edu.cn/simple/

solve .