MAINT: pin docutils in py2 to fix tests
@@ -2,10 +2,11 @@ flake8
pytest
sphinx
m2r
-docutils
vega_datasets
recommonmark
+docutils==0.14; python_version < '3' # docutils 0.15 breaks in python 2
+docutils; python_version >= '3'
ipython<6; python_version < '3' # ipython 6 not compatible with python 2
-ipython; python_version >= '3' # ipython 6 not compatible with python 2
+ipython; python_version >= '3'
