当我发出buildozer -v android debug或buildozer android debug时
Buildozer返回：Cython (cython) not found, please install it.
所以我尝试用sudo pip3 install Cython安装Cython，但它返回Requirement already satisfied: Cython in /usr/lib/python3/dist-packages (0.29.21)
我该怎么办？
我必须创建一个环境来完成这个