Update sqlalchemy from 1.1.15 to 1.2.4

pyup-bot · pyup-bot · commit 35ee6d53a2cc · 2018-03-05T15:09:31.000+02:00
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -14,7 +14,7 @@ pytest-cov==2.5.1
 pytest-sugar==0.9.1
 pytest==3.4.1
 python-dateutil==2.6.1
-sqlalchemy==1.1.15
+sqlalchemy==1.2.4
 trafaret==0.10.4
 pymysql==0.7.11
 -r requirements-doc.txt
