diff --git a/tests/utils/test_env.py b/tests/utils/test_env.py
index 2f6ba930c14..728d9dd8483 100644
--- a/tests/utils/test_env.py
+++ b/tests/utils/test_env.py
@@ -1124,7 +1124,9 @@ def test_run_python_script_only_stdout(tmp_path: Path, tmp_venv: VirtualEnv) ->
     assert "some warning" not in output
 
 
-def test_run_python_script_non_ascii_input(tmp_path: Path, tmp_venv: VirtualEnv) -> None:
+def test_run_python_script_non_ascii_input(
+    tmp_path: Path, tmp_venv: VirtualEnv
+) -> None:
     output = tmp_venv.run_python_script(
         "import sys; print('👎', file=sys.stderr); print('👍')"
     )