diff --git a/shaperglot/checks/shaping_differs.py b/shaperglot/checks/shaping_differs.py
index b16baa9..a1df4e2 100644
--- a/shaperglot/checks/shaping_differs.py
+++ b/shaperglot/checks/shaping_differs.py
@@ -1,6 +1,6 @@
+from itertools import permutations
 from strictyaml import Seq, Map, Int, Optional
 from num2words import num2words
-from itertools import permutations
 
 from .common import shaping_input_schema, ShaperglotCheck, check_schema