Injecting configuration and compiling...
[1G [1G-----> Python app detected
[1G ! The latest version of Python 3 is python-3.6.2 (you are using import python-3.6.2, which is unsupported).
[1G ! We recommend upgrading by specifying the latest version (python-3.6.2).
[1G Learn More: https://devcenter.heroku.com/articles/python-runtimes
[1G-----> Installing import python-3.6.2
[1G ! Requested runtime (import python-3.6.2) is not available for this stack (cedar-14).
[1G ! Aborting. More info: https://devcenter.heroku.com/articles/python-support