diff --git a/arkindex_worker/worker/entity.py b/arkindex_worker/worker/entity.py
index edcf303c0d93ea3a0164d9b9c55d787ff3e3a498..449e8ce3df433e6f6cf8c40e2e71a4eb63b96e7f 100644
--- a/arkindex_worker/worker/entity.py
+++ b/arkindex_worker/worker/entity.py
@@ -82,7 +82,9 @@ class EntityMixin(object):
 
         return entity["id"]
 
-    def create_transcription_entity(self, transcription, entity, offset, length, confidence=None):
+    def create_transcription_entity(
+        self, transcription, entity, offset, length, confidence=None
+    ):
         """
         Create a link between an existing entity and an existing transcription through API
         """