diff --git a/spacy/pipeline/entity_linker.py b/spacy/pipeline/entity_linker.py
index a9a3fe1d0..2dba78f9f 100644
--- a/spacy/pipeline/entity_linker.py
+++ b/spacy/pipeline/entity_linker.py
@@ -485,11 +485,15 @@ class EntityLinker(TrainablePipe):
                     # This makes it tricky to receive the last sentence by indexing doc.sents - hence we use an offset
                     # to determine sent_indices[1].
                     sent_indices = (
-                        sentences.index(sents[0]),
-                        sentences.index(sents[0]) + len(sents) - 1,
-                    ) if len(sents) > 1 else (
-                        sentences.index(ent.sent),
-                        sentences.index(ent.sent),
+                        (
+                            sentences.index(sents[0]),
+                            sentences.index(sents[0]) + len(sents) - 1,
+                        )
+                        if len(sents) > 1
+                        else (
+                            sentences.index(ent.sent),
+                            sentences.index(ent.sent),
+                        )
                     )
                     assert all([si >= 0 for si in sent_indices])