diff --git a/unittests/test_apiutils.py b/unittests/test_apiutils.py
index 7511014475ead4145559641dddc28c6477949ee0..78ad9712ca9e1196e8bce6acd6d5ec219f9ef0b8 100644
--- a/unittests/test_apiutils.py
+++ b/unittests/test_apiutils.py
@@ -103,7 +103,7 @@ def test_resolve_reference():
     # restore retrive_entity_with_id
     caosdb.apiutils.retrieve_entity_with_id = original_retrieve_entity_with_id
 
-    
+
 def test_compare_entities():
     r1 = db.Record()
     r2 = db.Record()
@@ -126,7 +126,7 @@ def test_compare_entities():
 
     assert "test" not in diff_r1["properties"]
     assert "test" not in diff_r2["properties"]
-    
+
     assert "tests" in diff_r1["properties"]
     assert "tests" in diff_r2["properties"]