Update sphinx from 1.6.3 to 1.6.4

pyup-bot · pyup-bot · commit 64c7815398c0 · 2017-09-26T04:37:43.000+03:00
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -5,6 +5,6 @@ ipython==6.1.0
 pytest==3.1.3
 pytest-cov==2.5.1
 pytest-sugar==0.9.0
-sphinx==1.6.3
+sphinx==1.6.4
 sphinxcontrib-asyncio==0.2.0
 sqlalchemy==1.1.14
