代码：
import cv2 报错
ImportError: No module named cv2 解决：
pip install opencv-python 参考
Ubuntu系统下Import cv2提示no modules …错误代码：
import cv2 报错
ImportError: No module named cv2 解决：
pip install opencv-python 参考
Ubuntu系统下Import cv2提示no modules …错误![sudo apt-get update 出错 Updating from such a repository can‘t be done securely, and is therefore[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)