tox runs no tests (#23)

* tox runs no tests

Fixes #22

* mention pypy too

* be more specific about pypy version

* be more specific about pypy version

* be even more explicit about pypy version

.travis.yml

@@ -2,15 +2,15 @@ sudo: false
 language: python
 branches:
   only:
-  - master
+    - master
 python:
-- '2.7'
-- '3.5'
-- '3.6'
-- pypy
+  - "2.7"
+  - "3.5"
+  - "3.6"
+  - "pypy3.5"
 cache: pip
 install:
-- pip install tox-travis
+  - pip install tox-travis
 script: tox -v
 after_success:
-- bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)

tox.ini

@@ -4,19 +4,20 @@ usedevelop = True
 minversion = 1.8
 envlist =
     lint-py36,
-    readme-py27,
-    docs-py27-dj{18,110},
+    readme-py36,
+    docs-py36,
     py27-django{18,19,110,111},
     py35-django{18,19,110,111,20,21},
     py36-django{18,19,110,111,20,21},
+    pypy35-django{18,19,110,111,20,21},
 skip_missing_interpreters = True
 
 [testenv]
 basepython =
     py27: python2.7
     py35: python3.5
     py36: python3.6
-    pypy: pypy
+    pypy35: pypy3.5
 usedevelop = true
 setenv =
     DJANGO_SETTINGS_MODULE = tests.settings
@@ -29,15 +30,22 @@ deps =
     django111: Django >=1.11, <2.0
     django20: Django>=2.0,<2.1
     django21: Django>=2.1
-    docs: sphinx
 commands =
-    python --version
-    tests: pytest {posargs:tests}
+    pytest {posargs:tests}
+
+[testenv:docs-py36]
+deps =
+    sphinx
+commands =
     docs: sphinx-build -b html -d {envtmpdir}/doctrees docs {envtmpdir}/html
 
-[testenv:readme-py27]
-commands = python setup.py check -r -s
-deps = readme_renderer
+[testenv:readme-py36]
+deps =
+    twine
+    readme_renderer[md]
+commands =
+    python setup.py sdist
+    twine check dist/*
 
 [testenv:lint-py36]
 extras = dev