python_openCV例程遇到:'cv::CascadeClassifier::detectMultiScale'
E:\Python37\python.exeE:/Python37/untitled/FaceDemo.pyTraceback(mostrecentcalllast):File“E:/Python37/untitled/FaceDemo.py”,line24,infaces=face.detectMultiScale(gray,1.1,3)cv2.error:OpenCV(4.1.0)C:\pro