diff --git a/src/caosdb/apiutils.py b/src/caosdb/apiutils.py
index 9d8d751ef37d9129209f4ea3f30fe442451cdc29..8714a6832c06590658e7a95b31a6f001097ed0e3 100644
--- a/src/caosdb/apiutils.py
+++ b/src/caosdb/apiutils.py
@@ -727,14 +727,14 @@ def merge_entities(entity_a: Entity, entity_b: Entity):
     for key in diff_r2["properties"]:
         if key in diff_r1["properties"]:
             if ("importance" in diff_r1["properties"][key] and
-                "importance" in diff_r2["properties"][key]):
+                    "importance" in diff_r2["properties"][key]):
                 if (diff_r1["properties"][key]["importance"] !=
-                    diff_r2["properties"][key]["importance"]):
+                        diff_r2["properties"][key]["importance"]):
                     raise NotImplementedError()
             elif ("importance" in diff_r1["properties"][key] or
                   "importance" in diff_r2["properties"][key]):
                 raise NotImplementedError()
-            
+
             for attribute in ("datatype", "unit", "value"):
                 if diff_r1["properties"][key][attribute] is None:
                     setattr(entity_a.get_property(key), attribute,
diff --git a/unittests/test_apiutils.py b/unittests/test_apiutils.py
index 6ce53a24398631df38a4370d78e3c0570230966b..1dab18a321ad2c0229a79fe7a462a2e39487311f 100644
--- a/unittests/test_apiutils.py
+++ b/unittests/test_apiutils.py
@@ -231,6 +231,7 @@ def test_compare_special_properties():
         assert len(diff_r1["properties"]) == 0
         assert len(diff_r2["properties"]) == 0
 
+
 def test_copy_entities():
     r = db.Record(name="A")
     r.add_parent(name="B")