diff --git a/rerun_py/tests/unit/test_transform3d.py b/rerun_py/tests/unit/test_transform3d.py
index 4a226951a1ef..29a96d38e872 100644
--- a/rerun_py/tests/unit/test_transform3d.py
+++ b/rerun_py/tests/unit/test_transform3d.py
@@ -1,8 +1,8 @@
 from __future__ import annotations
 
 import itertools
-from fractions import Fraction
 import math
+from fractions import Fraction
 from typing import Optional, cast
 
 import numpy as np