ImportError: numpy.core.multiarray failed to import

调用cv2报错

ImportError: numpy.core.multiarray failed to import

看了很多博客，均以失败告终。

解决

1.更新pip

pip install --upgrade pip

2.安装numpy

pip install -U numpy

3.重装matplotlib

pip install -U matplotlib

4.导入cv2,查看是否成功

import CV2