python-graphviz包安装

Question

安装 python-graphviz包时，出现错误，不知道如何解决

ERROR conda.core.link:_execute(699): An error occurred while installing package 'https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main::qt-5.9.7-vc14h73c81de_0'.
Rolling back transaction: done

[Errno 22] Invalid argument: 'D:\ProgramData\Anaconda3\Library\resources\icudtl.dat'
()

运行graphviz时出现错误
AttributeError: module 'graphviz.backend' has no attribute 'ENCODING'

Answer 1

python3.7.6