draw.iloc语句在pycharm中报错

pycharm中执行
draw.iloc[100:150,0].plot(figsize=(12,6))
draw.iloc[100:150,1].plot(figsize=(12,6))
时出现现报错
TypeError: vars() argument must have dict attribute

添加一下代码

import matplotlib as mpl

mpl.user('TkAgg')