Update sphinx from 1.6.5 to 1.7.1

pyup-bot · pyup-bot · commit de5176a9fbe3 · 2018-03-05T15:09:35.000+02:00
diff --git a/requirements-doc.txt b/requirements-doc.txt
@@ -1,2 +1,2 @@
-sphinx==1.6.5
+sphinx==1.7.1
 sphinxcontrib-asyncio==0.2.0
