pycharm使用matplotlib.pyplot不显示图形的解决方法

# coding=utf-8
import pandas as pd
import matplotlib.pyplot as plt

data = pd.read_csv(\'ccpoints.csv\', header=0)
plt.scatter(data.x, data.y, c=\"red\", marker=\'o\', label=\'ccpoints\')
plt.xlabel(\'x\')
plt.ylabel(\'y\')
plt.legend(loc=2)
plt.show()
plt.savefig(\"one.png\")

import matplotlib
matplotlib.use(\'TkAgg\')

import matplotlib
matplotlib.use(\'Agg\')