Linux下安装下载matplotlib

运行sumo中的osmWebWizard.py 文件需要

1. apt-get install python3-tk
2. apt install python3-pip
3. pip3 install matplotlib
   或者参考此链接
   还有bug再参考此链接链接

报错时：

/usr/lib/python2.7/dist-packages/matplotlib/font_manager.py:273: UserWarning: Matplotlib is building the font cache using fc-list. This may take a moment.
  warnings.warn('Matplotlib is building the font cache using fc-list. This may take a moment.')

或者
解决:
设置环境变量