diff --git a/docs/backend.md b/docs/backend.md
index 2f0667e96f..adf9d22ead 100644
--- a/docs/backend.md
+++ b/docs/backend.md
@@ -31,4 +31,4 @@ Use environment variables to set backend and installer:
 export PIPX_DEFAULT_BACKEND=uv
 export PIPX_DEFAULT_INSTALLER=uv
 pipx install black
-```
\ No newline at end of file
+```
diff --git a/tests/test_backend.py b/tests/test_backend.py
index 21d1cb1deb..501f7e7baa 100644
--- a/tests/test_backend.py
+++ b/tests/test_backend.py
@@ -1,6 +1,6 @@
 import os
 
-from helpers import run_pipx_cli, WIN
+from helpers import WIN, run_pipx_cli
 
 
 def test_custom_backend_venv(pipx_temp_env, capsys, caplog):