使用pip清华源,安装快速简洁
conda config --add channels conda-forge
conda create -n mayavi python=3.8
pip install vtk -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install mayavi -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install PyQt5 -i https://pypi.tuna.tsinghua.edu.cn/simple