diff --git a/tests/basic/test_commands.py b/tests/basic/test_commands.py
index 154c98f0c..5569e5b3d 100644
--- a/tests/basic/test_commands.py
+++ b/tests/basic/test_commands.py
@@ -715,7 +715,9 @@ class TestCommands(TestCase):
                 commands.cmd_read_only(str(Path(repo_dir) / "nonexistent*.txt"))
 
             # Check if the appropriate error message was displayed
-            mock_tool_error.assert_called_once_with(f"No matches found for: {Path(repo_dir) / 'nonexistent*.txt'}")
+            mock_tool_error.assert_called_once_with(
+                f"No matches found for: {Path(repo_dir) / 'nonexistent*.txt'}"
+            )
 
             # Ensure no files were added to abs_read_only_fnames
             self.assertEqual(len(coder.abs_read_only_fnames), 0)