         django14: Django==1.4.11  # Should track minimum supported
         django15: Django==1.5.6  # Should track minimum supported
         django16: Django==1.6.3  # Should track minimum supported
         django17: Django==1.7.2  # Should track maximum supported
         django18alpha: https://www.djangoproject.com/download/1.8b1/tarball/
         -rrequirements/requirements-testing.txt
         -rrequirements/requirements-optionals.txt
  
  [testenv:py27-flake8]
  deps =
 
</s> remove        {py27,py32,py33,py34}-django{17,18alpha}
 </s> add        {py27,py32,py33,py34}-django{17,18beta} </s> remove     - TOX_ENV=py34-django18alpha
    - TOX_ENV=py33-django18alpha
    - TOX_ENV=py32-django18alpha
    - TOX_ENV=py27-django18alpha
 </s> add     - TOX_ENV=py34-django18beta
    - TOX_ENV=py33-django18beta
    - TOX_ENV=py32-django18beta
    - TOX_ENV=py27-django18beta
       django18beta: https://www.djangoproject.com/download/1.8b1/tarball/
         django14: Django==1.4.11  # Should track minimum supported
         django15: Django==1.5.6  # Should track minimum supported
         django16: Django==1.6.3  # Should track minimum supported
         django17: Django==1.7.2  # Should track maximum supported
       django18beta: https://www.djangoproject.com/download/1.8b1/tarball/
         -rrequirements/requirements-testing.txt
         -rrequirements/requirements-optionals.txt
  
  [testenv:py27-flake8]
  deps =
keep keep keep keep replace keep keep keep keep keep
 Upgrade testing env name to django18beta 
tox.ini