Merge pull request #46 from aio-libs/pyup-update-pytest-3.0.4-to-3.0.5

Update pytest to 3.0.5

requirements-dev.txt

@@ -4,7 +4,7 @@ flake8==3.2.1
 ipdb==0.10.1
 ipython==5.1.0
 pyodbc==3.1.1
-pytest==3.0.4
+pytest==3.0.5
 pytest-cov==2.4.0
 pytest-sugar==0.7.1
 sphinx==1.5