pip opencv-python其一失败原因解决方案

错误原因：

   ----------------------------------------ERROR: Failed building wheel for opencv-pythonFailed to build opencv-pythonERROR: Could not build wheels for opencv-python which use PEP 517 and cannot be installed directly

解决方案：

 pip install --upgrade pip setuptools wheelpip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple

错误原因：

 ERROR: Failed building wheel for opencv-pythonFailed to build opencv-pythonERROR: Could not build wheels for opencv-python, which is required to install pyproject.toml-based projects

解决方案：

 pip install opencv-python==4.5.5.62 -i https://pypi.tuna.tsinghua.edu.cn/simple

原因：

opencv各个版本包的依赖可能不同。