diff --git a/src/plone/app/robotframework/testing.py b/src/plone/app/robotframework/testing.py
index 6e3a191..70c936b 100644
--- a/src/plone/app/robotframework/testing.py
+++ b/src/plone/app/robotframework/testing.py
@@ -1,4 +1,5 @@
 """Test layers required to run plone.app.robotframework tests."""
+
 from Acquisition import aq_base
 from OFS.Application import AppInitializer
 from plone.app.robotframework.autologin import AutoLogin