我想用这个命令创建一个新的虚拟: mkvirtualenv cv3 -p python3 但有时我会在我的终端上得到以下输出: Running virtualenv with interpreter /usr/local/bin/python3
Using base prefix '/usr/local/Cellar/python/3.7.2_1/Frameworks/Python.fr
pip install cv3 我试图在google collab上安装cv3包,但它抛出了以下错误: ERROR: Could not find a version that satisfies therequirement cv3 (from versions: none)
ERROR: No matching distribution found for cv3
class type), where T1 is not reference-related to T2, **and can be converted to an lvalue of type “cv3T3,”** where “cv1 T1” is reference-compatible with “cv3 T3” (this conversion is selected by enumerating英语不是我的母语,但在我看来,用粗体表示的短语(我的重点)似乎让我认为T1可以转换成cv3 T3类型的值,我认为这是不正确的。根