diff --git a/tests/test_for_profiler.py b/tests/test_for_profiler.py
index a390980..09f1fcb 100644
--- a/tests/test_for_profiler.py
+++ b/tests/test_for_profiler.py
@@ -6,6 +6,7 @@
   - `tox -e profile`
   - `firefox .tox/prof/combined.svg`
 """
+
 import os
 from pathlib import Path