diff --git a/tests/test_plain_xml.py b/tests/test_plain_xml.py
index ae4c167..fa79b0f 100644
--- a/tests/test_plain_xml.py
+++ b/tests/test_plain_xml.py
@@ -1,8 +1,10 @@
 import os
-import unittest
 import re
-from xmldiff import main, formatting
+import unittest
+
+from xmldiff import main
 from xmldiff.actions import MoveNode
+
 from zbmath_rest2oai import getAsXml