部署好环境后运行vnpy，报警

涛出我风采

D:\anaconda3\envs\VNPY\python.exe D:/vnpy-master/vnpy-master/VNPY/VNPY/VNPY/VNTrader.py
Traceback (most recent call last):
  File "D:\vnpy-master\vnpy-master\VNPY\VNPY\VNPY\VNTrader.py", line 105, in <module>
    main()
  File "D:\vnpy-master\vnpy-master\VNPY\VNPY\VNPY\VNTrader.py", line 68, in main
    globalvar.ui.setupUi(window)
  File "D:\vnpy-master\vnpy-master\VNPY\VNPY\VNPY\mainwindow_ui.py", line 2093, in setupUi
    self.wkline = pg.GraphicsWindow()
AttributeError: module 'pyqtgraph' has no attribute 'GraphicsWindow'