导入PyQt5的各个模块

import os
import string
import sys

##添加需要自动提示的模块
import PyQt5.QtWidgets
import PyQt5.QtCore
import PyQt5.QtGui
import PyQt5.QtSql
import PyQt5.QtMultimedia
import PyQt5.QtMultimediaWidgets

import PyQt5.QtChart 
import PyQt5.QtDataVisualization