Fixed typo in tox.ini
# command. (The easiest: Simply install tox to python3.5 and run
# tox from there.)
minversion = 2.6
-envlist = docs_style, py37-dj21, py36-dj20, py27-dj111, py35-dj110, py36-dj22, py36-no_django
+envlist = docs_style, py37-dj21, py36-dj20, py27-dj111, py35-dj110, py36-dj22b, py36-no_django
# Explicit combinations can be tested even though are not listed in ALL:
# `tox -e py35-dj110,py35-djdev`
# `tox -e docs` # test documentation
