Conda install Graphviz

参考：https://stackoverflow.com/questions/42014458/dask-not-installing-graphviz-dependency#

conda install -c conda-forge graphviz

conda install -c conda-forge python-graphviz

This comment explains this https://github.com/ContinuumIO/anaconda-issues/issues/485#issuecomment-279296254

转载于:https://www.cnblogs.com/activeshj/p/9928167.html