下载 mmcv时报错 ERROR: Could not build wheels for opencv-python, which is required to install pyproject.toml-based projects

你在下载mmcv时遇到了错误，错误信息显示无法构建opencv-python的wheel，而这个包是安装pyproject.toml-based项目所必需的。错误可能是由于你的电脑上缺少Microsoft Visual Studio或者与opencv-python版本相关的依赖不一致造成的。建议你先检查一下你的电脑上是否安装了Microsoft Visual Studio，并且确保安装的opencv-python的版本与mmcv所需的版本兼容。如果没有安装Visual Studio，你可以尝试安装最新版本的Visual Studio或者安装适当版本的opencv-python来解决这个问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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