diff --git a/spacy/syntax/ner.pyx b/spacy/syntax/ner.pyx
index c569bfa43..8414456b6 100644
--- a/spacy/syntax/ner.pyx
+++ b/spacy/syntax/ner.pyx
@@ -47,6 +47,7 @@ cdef bint _entity_is_sunk(StateClass st, Transition* golds) nogil:
     else:
         return False
 
+
 cdef class BiluoPushDown(TransitionSystem):
     @classmethod
     def get_labels(cls, gold_tuples):