diff --git a/src/plone/api/relation.py b/src/plone/api/relation.py
index 60df78ef..5540d4ca 100644
--- a/src/plone/api/relation.py
+++ b/src/plone/api/relation.py
@@ -2,6 +2,7 @@
 
 Heavily inspired by collective.relationhelpers.
 """
+
 from AccessControl.SecurityManagement import getSecurityManager
 from collections import defaultdict
 from plone.api.exc import InvalidParameterError
diff --git a/src/plone/api/tests/test_content.py b/src/plone/api/tests/test_content.py
index bea68c10..637b1c64 100644
--- a/src/plone/api/tests/test_content.py
+++ b/src/plone/api/tests/test_content.py
@@ -1,4 +1,5 @@
 """Tests for plone.api.content."""
+
 from Acquisition import aq_base
 from OFS.CopySupport import CopyError
 from OFS.event import ObjectWillBeMovedEvent