Update tox.ini

Author: orf

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
        py27-{flake8,docs},
-       {py27,py33,py34,py35}-django{1.8,1.9,1.10}-drf{3.1,3.2,3.3,3.4,3.5}
+       {py27,py33,py34,py35}-django{1.8,1.9,1.10,1.11}-drf{3.1,3.2,3.3,3.4,3.5}
 
 [testenv]
 commands = ./runtests.py --fast {posargs} --verbose
@@ -11,6 +11,7 @@ deps =
        django1.8: Django<1.9
        django1.9: Django<1.10
        django1.10: Django<1.11
+       django1.11: Django<1.12
        drf3.1: djangorestframework<3.2
        drf3.2: djangorestframework<3.3
        drf3.3: djangorestframework<3.4