https://devcenter.heroku.com/articles/getting-started-with-python#set-up

# Run this from your terminal.

# The following will add our apt repository and install the CLI:

sudo add-apt-repository "deb https://cli-assets.heroku.com/branches/stable/apt ./"

curl -L https://cli-assets.heroku.com/apt/release.key | sudo apt-key add -

sudo apt-get update

sudo apt-get install heroku

ubuntu 16.4安裝toolsbelt heroku