diff --git a/flake8_annotations/ast_walker.py b/flake8_annotations/ast_walker.py
index 39fffa3..3a28cb9 100644
--- a/flake8_annotations/ast_walker.py
+++ b/flake8_annotations/ast_walker.py
@@ -4,6 +4,7 @@
 from itertools import zip_longest
 
 from attrs import define
+
 from flake8_annotations import PY_GTE_38
 from flake8_annotations.enums import AnnotationType, ClassDecoratorType, FunctionType