python RuntimeError ‘Could not locate METIS dll‘ 报错解决方案

• 具体报错如下：
• 解决方案

import metis
File “E:anacondaenvspy36torchlibsite-packagesmetis.py”, line 438, in
raise RuntimeError(‘Could not locate METIS dll. Please set the METIS_DLL environment variable to its full path.’)
RuntimeError: Could not locate METIS dll. Please set the METIS_DLL environment variable to its full path.

安装 metis
pip install pymetis

Running setup.py install for pymetis … error
ERROR: Command errored out with exit status 1:
安装失败，则尝试离线安装

链接: link.
下载对应版本的wheel文件，进行离线安装
以win python3.6为例
下载PyMetis-2019.1.1-cp36-cp36m-win_amd64.whl，CD到whl所在路径
pip insatll PyMetis-2019.1.1-cp36-cp36m-win_amd64.whl

运行python时，将py文件中的
import metis 改为
import pymetis as metis