Exception: "dot" not found in path.

使用py绘制网络图的时候出的问题

sudo apt updatesudo apt install python-pip python-dev python-numpysudo apt install gfortransudo apt install graphvizsudo pip install pydot

然后就行了
详细报错

Drawing net to lstm.pngTraceback (most recent call last):  File "draw_net.py", line 94, in <module>    main()  File "draw_net.py", line 90, in main    phase)  File "/home/pikachu/caffe/intel/caffe/python/caffe/draw.py", line 280, in draw_net_to_file    fid.write(draw_net(caffe_net, rankdir, ext, phase))  File "/home/pikachu/caffe/intel/caffe/python/caffe/draw.py", line 259, in draw_net    return get_pydot_graph(caffe_net, rankdir, phase=phase).create(format=ext)  File "/home/pikachu/.local/lib/python2.7/site-packages/pydot.py", line 1883, in create    prog=prog))Exception: "dot" not found in path.