解决RuntimeError: failed to execute ['dot', '-Tpdf', '-O', 'test-output/round-table.gv']
fromgraphvizimportDigraphimportpydotplusdot=Digraph(comment='TheRoundTable')dot.node('A','KingArthur')dot.node('B','SirBedeveretheWise')dot.node('L','SirLancelottheBrave')dot.edges(['AB','AL'])dot.edg