diff --git a/papermill/tests/test_execute.py b/papermill/tests/test_execute.py
index 9d9b181e..87816cd3 100644
--- a/papermill/tests/test_execute.py
+++ b/papermill/tests/test_execute.py
@@ -6,9 +6,9 @@
 from functools import partial
 from pathlib import Path
 from unittest.mock import ANY, patch
-from colors import strip_color
 
 import nbformat
+from colors import strip_color
 from nbformat import validate
 
 from .. import engines, translators