全站最全的（OpenCV人脸识别）清华大佬手把手教你做人脸识别 超详细实战教程讲解 拒绝无效学习！（Python+OpenCV）

白鸭白_:
Traceback (most recent call last): File "D:\PycharmProjects\RLSB_OpenCV\10人脸识别.py", line 95, in <module> face_detect_demo(frame) File "D:\PycharmProjects\RLSB_OpenCV\10人脸识别.py", line 70, in face_detect_demo warningtime += 1 NameError: name 'warningtime' is not defined up主，代码能运行，视频结束后报错是怎么回事呢？？求求回复[保卫萝卜_哇]