import sys from PyQt5.QtWidgets import QWidget, QApplication,QMainWindow,QLabel from PyQt5.QtCore import Qt import MainWnd as mw import GrpcClient as Stream ip='192.168.2.45' port=9876 if __name__=="__main__": app = QApplication(sys.argv) win = mw.MainWindow() win.show() stream=Stream.GrpcStream() stream.SetDataCallBack(win.OnImagesHandle,win.OnCloudHandle,win.OnMeasureDataHandle) stream.start() sys.exit(app.exec_())