add pygments dependency because of rst-lint

RonnyPfannschmidt · nicoddemus · commit 6c8c1da42881 · 2016-11-11T14:25:53.000-02:00
diff --git a/tox.ini b/tox.ini
@@ -47,6 +47,8 @@ commands=
 basepython = python2.7
 deps =
     flake8
+    # pygments required by rst-lint
+    pygments  
     restructuredtext_lint
     check-manifest
 commands =
