Update sphinx_rtd_theme

SylvainCorlay · SylvainCorlay · commit d3b452334c9e · 2017-04-02T14:06:04.000+02:00
diff --git a/docs/environment.yml b/docs/environment.yml
@@ -4,6 +4,7 @@ channels:
   - conda-forge
 
 dependencies:
-  - sphinx
+  - python=3.5
+  - sphinx_rtd_theme
   - pip:
     - breathe
