Scheduled weekly dependency update for week 25 (#433)

* Update pytest from 4.6.1 to 4.6.3

* Update pytest from 4.6.1 to 4.6.3

* Update pytest from 4.6.1 to 4.6.3

* Update docker from 4.0.1 to 4.0.2

* Update sqlalchemy from 1.3.4 to 1.3.5

* Update sphinx from 2.1.0 to 2.1.2

Author: pyup.io bot

demos/blog/requirements-dev.txt

@@ -1,4 +1,4 @@
 pyflakes==2.1.1
 pep8==1.7.1
-pytest==4.6.1
+pytest==4.6.3
 ipdb==0.12

demos/blog_react/requirements-dev.txt

@@ -1,4 +1,4 @@
 pyflakes==2.1.1
 pep8==1.7.1
-pytest==4.6.1
+pytest==4.6.3
 ipdb==0.12

requirements-dev.txt

@@ -5,15 +5,15 @@ aiohttp==3.5.4
 aiomysql==0.0.20
 aiopg==0.16.0
 coverage==4.5.3
-docker==4.0.1
+docker==4.0.2
 flake8==3.7.7
 ipdb==0.12
 motor==2.0.0
 pytest-cov==2.7.1
 pytest-sugar==0.9.2
-pytest==4.6.1
+pytest==4.6.3
 python-dateutil==2.8.0
-sqlalchemy==1.3.4
+sqlalchemy==1.3.5
 trafaret==1.2.0
 pymysql==0.9.3
 -r requirements-doc.txt

requirements-doc.txt

@@ -1,2 +1,2 @@
-sphinx==2.1.0
+sphinx==2.1.2
 sphinxcontrib-asyncio==0.2.0