Update pytest from 3.5.0 to 3.5.1 (#39)

pyup.io bot · asvetlov · commit edb79e8afbd4 · 2018-05-08T08:30:24.000+03:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
-pytest==3.5.0
+pytest==3.5.1
 pytest-asyncio==0.8.0
 pytest-cov==2.5.1
 docutils==0.14
