style: Apply ruff formatting for CI compliance

Author: laysakura

tests/test_commands.py

@@ -144,6 +144,7 @@ def test_create_no_env_example(self, mocker, tmp_path):
 
         # Change to project directory to make relative path calculation work
         import os
+
         old_cwd = os.getcwd()
         os.chdir(str(mock_git_root))