mlbox ImportError: Cannot load backend 'TkAgg' which requires the 'tk' interactive framework, as 'headless' is currently running
真是巨大的坑，按照网上说的，matplotlib.use('agg')，修改matplotlibrc文件中的backend，plt.switch_backend('Agg')，%matplotlib inline统统失效，包括在启动Jupyter时设置环境变量export MPLBACKEND=Ag
