Merge pull request #259 from aio-libs/pyup-update-pytest-sugar-0.8.0-to-0.9.0

Update pytest-sugar to 0.9.0

Author: jettify

requirements-dev.txt

@@ -11,7 +11,7 @@ flake8==3.4.1
 ipdb==0.10.3
 motor==1.1
 pytest-cov==2.5.1
-pytest-sugar==0.8.0
+pytest-sugar==0.9.0
 pytest==3.2.0
 python-dateutil==2.6.1
 sqlalchemy==1.1.13