使用yarn install时报错:00h00m00s 0/0: : ERROR: [Errno 2] No such file or directory: ‘install‘

apt remove cmdtest
apt remove yarn
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
apt-get update
apt-get install yarn