Update sphinx from 1.6.5 to 1.6.6 (#245)

pyup.io bot · asvetlov · commit d2adf10b41e9 · 2018-01-09T20:23:00.000+02:00
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -1,6 +1,6 @@
 flake8==3.5.0
 coverage==4.4.2
-sphinx==1.6.5
+sphinx==1.6.6
 pep257==0.7.0
 -e .
 aioredis==1.0.0
