Fix for failed doc builds
sphinx is apparently completely screwed after version 1.7.0
I was getting conflicting error messages and the help screens claim that
`-d` is both a "max depth" argument but also "input directory"
In any case, pinning sphinx to 1.7.0 appears to fix the issue.
@@ -20,7 +20,7 @@ before_install:
- hash -r
- conda config --set always_yes yes --set changeps1 no
- conda config --add channels conda-forge
- - conda create -q -n pygbe python=3.5 numpy scipy swig sphinx
+ - conda create -q -n pygbe python=3.5 numpy scipy swig sphinx=1.7.0
- source activate pygbe
- pip install doctr
