Merge pull request #319 from aio-libs/pyup-scheduled-update-2018-07-16

Scheduled weekly dependency update for week 28

Author: webknjaz

requirements-dev.txt

@@ -9,4 +9,4 @@ PyMySQL>=0.9,<=0.9.2
 docker==3.4.1
 sphinx==1.7.5
 sphinxcontrib-asyncio==0.2.0
-sqlalchemy==1.2.9
+sqlalchemy==1.2.10