为什么我不能导入pygal。但是我安装了

Question

C:\Users\admin>python -m pip install --user pygal==1.7
Requirement already satisfied: pygal==1.7 in c:\users\admin\appdata\roaming\python\python37\site-packages (1.7.0)

我已经在Windows64中安装了pygal

import pygal

ModuleNotFoundError: No module named 'pygal'