笔者在第一次安装matplotlib后运行时出现报错. import matplotlib as mlb from matplotlib import pylab as pl x = [1,3,5,7,6,9,10,13,16] y = [3,4,5,7,9,0,1,2,3] pl.plot(x,y) pl.show() 报错内容 RuntimeError: Python is not installed as a framework. The Mac OS X backend will not…