Bump pytest from 5.2.4 to 5.3.0 (#389)

dependabot-preview[bot] · web-flow · commit eb2c7b15f4f1 · 2019-11-20T07:01:13.000Z
diff --git a/requirements/pytest.txt b/requirements/pytest.txt
@@ -1,2 +1,2 @@
-pytest==5.2.4
+pytest==5.3.0
 pytest-cov==2.8.1
