diff --git a/spacy/kb/kb.pyx b/spacy/kb/kb.pyx
index a33e105fb..d368794b1 100644
--- a/spacy/kb/kb.pyx
+++ b/spacy/kb/kb.pyx
@@ -12,7 +12,6 @@ from .candidate import Candidate
 from .typedefs import CandidatesForMention
 
 
-
 cdef class KnowledgeBase:
     """A `KnowledgeBase` instance stores unique identifiers for entities and
     their textual aliases, to support entity linking of named entities to
diff --git a/spacy/kb/typedefs.pxd b/spacy/kb/typedefs.pxd
index 4f7e887ad..4588b422e 100644
--- a/spacy/kb/typedefs.pxd
+++ b/spacy/kb/typedefs.pxd
@@ -1,4 +1,5 @@
-from .candidate import Candidate
 from typing import Iterable
 
-ctypedef Iterable[Candidate] CandidatesForMention
\ No newline at end of file
+from .candidate import Candidate
+
+ctypedef Iterable[Candidate] CandidatesForMention