diff --git a/src/linkahead/apiutils.py b/src/linkahead/apiutils.py
index 27d90015297382a9c9f5724cdc0ff9406c52b4d1..cd4671d2773a5e29166b6334b91f8824fd6d6fa3 100644
--- a/src/linkahead/apiutils.py
+++ b/src/linkahead/apiutils.py
@@ -447,7 +447,7 @@ def compare_entities(entity0: Optional[Entity] = None,
     return diff
 
 
-def empty_diff(entity0: Entity, 
+def empty_diff(entity0: Entity,
                entity1: Entity,
                compare_referenced_records: bool = False,
                entity_name_id_equivalency: bool = False,
@@ -484,7 +484,7 @@ def empty_diff(entity0: Entity,
         if entity1 is not None:
             raise ValueError("You cannot use both entity1 and new_entity")
         entity1 = new_entity
-    e0diff, e1diff = compare_entities(entity0, entity1, compare_referenced_records, 
+    e0diff, e1diff = compare_entities(entity0, entity1, compare_referenced_records,
                                       entity_name_id_equivalency)
     for diff in [e0diff, e1diff]:
         for key in ["parents", "properties"]:
@@ -689,10 +689,10 @@ def describe_diff(entity0_diff: dict[str, Any], entity1_diff: dict[str, Any],
         warnings.warn("'as_update' is deprecated. Do not use it.", DeprecationWarning)
     if olddiff:
         warnings.warn("'olddiff' is deprecated. Use 'entity0_diff' instead.", DeprecationWarning)
-        entity0_diff=olddiff
+        entity0_diff = olddiff
     if newdiff:
         warnings.warn("'newdiff' is deprecated. Use 'entity1_diff' instead.", DeprecationWarning)
-        entity1_diff=newdiff
+        entity1_diff = newdiff
 
     for attr in list(set(list(entity0_diff.keys()) + list(entity1_diff.keys()))):
         if attr == "parents" or attr == "properties":