machine:
  python:
    version: pypy-2.2.1

deployment:
    develop:
        branch: staging
        heroku:
            appname: staging-foodbot

machine:
  python:
    version: pypy-2.3

deployment:
    develop:
        branch: staging
        heroku:
            appname: staging-foodbot

Change version of python in yaml file
Change version of python in yaml file
