Update sphinx from 1.5.1 to 1.5.2 (#23)

pyup-bot · tony · commit 69835c36ee7b · 2017-01-22T08:11:48.000-06:00
diff --git a/requirements/doc.txt b/requirements/doc.txt
@@ -1,4 +1,4 @@
 docutils==0.13.1
 releases==1.3.0 # updated from 1.2.0
-sphinx==1.5.1
+sphinx==1.5.2
 alabaster==0.7.9
