updated tests
updated tests

AltSchool/heroku-buildpack-python,heroku/heroku-buildpack-python,joshfriend/heroku-buildpack-python,Scalingo/python-buildpack,benjaminfox/heroku-buildpack-python-geoip,AltSchool/heroku-buildpack-python,skilljar/heroku-buildpack-python,benmurden/heroku-buildpack-python-ember,ad-m/heroku-buildpack-python,benjaminfox/heroku-buildpack-python-geoip,benmurden/heroku-buildpack-python-ember,heroku/heroku-buildpack-python,andela-brotich/wger-buildpack-python,smalleats/heroku-buildpack-python,edmorley/heroku-buildpack-python,ad-m/heroku-buildpack-python,Scalingo/python-buildpack