MAINT: correct build requires sphinx 1.5

matthew-brett · matthew-brett · commit a4a667df060c · 2017-07-19T14:50:27.000+01:00
Sphinx 1.6 breaks the math_dollar extension.
diff --git a/doc-requirements.txt b/doc-requirements.txt
@@ -1,6 +1,7 @@
 # Requirements for building docs
 -r requirements.txt
-sphinx
+# Sphinx >= 1.6 breaks the math_dollar extension
+sphinx<=1.5.6
 numpydoc
 texext
 matplotlib>=1.3
