Bump pytest from 4.6.1 to 4.6.2 (#242)

dependabot-preview[bot] · web-flow · commit 3db91508195a · 2019-06-04T09:58:26.000Z
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
 coverage
-pytest==4.6.1
+pytest==4.6.2
 pytest-asyncio==0.10.0
 pytest-aiohttp==0.3.0
