Pin Sphinx version
@@ -12,7 +12,7 @@ commands = py.test --timeout 300 []
install_command = python -m pip install {opts} {packages}
[testenv:docs]
-deps = sphinx
+deps = sphinx == 1.6.1
basepython = python2.7
commands = sphinx-build -W -b html -d {envtmpdir}/doctrees docs docs/_build/html
