  [tox]
  envlist =
         {py34,py35,py36}-django111,
         {py34,py35,py36,py37}-django20,
         {py35,py36,py37}-django21
         {py35,py36,py37}-django22
         {py36,py37}-djangomaster,
         base,dist,lint,docs,
  
 
</s> remove     @unittest.skipUnless(typing, 'requires python 3.5')
 </s> add  </s> remove try:
    import typing
except ImportError:
    typing = False


 </s> add  </s> remove import unittest
 </s> add  </s> remove         'Programming Language :: Python :: 3.4',
 </s> add  </s> remove     python_requires=">=3.4",
 </s> add     python_requires=">=3.5",
       {py35,py36}-django111,
       {py35,py36,py37}-django20,
  [tox]
  envlist =
       {py35,py36}-django111,
       {py35,py36,py37}-django20,
       {py35,py36}-django111,
       {py35,py36,py37}-django20,
         {py35,py36,py37}-django21
         {py35,py36,py37}-django22
         {py36,py37}-djangomaster,
         base,dist,lint,docs,
  
keep keep replace replace keep keep keep keep keep
 Drop Python 3.4 support (#6620) 
tox.ini