cv2包安装失败
pycharm中报错
PackagesNotFoundError: The following packages are not available from current channels:
报错框提示在命令行中执行以下语句：
conda activate /home/niu/anaconda3/envs/cannab
/home/niu/anaconda3/bin/conda install -p /home/niu/anaconda3/envs/cannab cv2 -y
按Ctrl+Alt+T 打开终端，复制粘贴上述命令：
报错和pycharm中的报错一样，所以可以排除是pycharm的问题。
按命令行最后一句提示：进入conda官网
To search for alternate channels that may provide the conda package you're
looking for, navigate to
https://anaconda.org
and use the search bar at the top of the page.
进入 Conda官网
在搜索框中搜索cv2，选择conda版本
复制页面最下方的提示，并在终端中执行
conda install -c "bioconda/label/gcc7" bioconductor-mgu74cv2.db
安装成功
