diff --git a/tests/basic/test_watch.py b/tests/basic/test_watch.py
index f3fa50536..768f75eaa 100644
--- a/tests/basic/test_watch.py
+++ b/tests/basic/test_watch.py
@@ -1,4 +1,5 @@
 from pathlib import Path
+
 from aider.watch import FileWatcher
 
 
@@ -16,5 +17,7 @@ def test_ai_comment_pattern():
     # Test JavaScript fixture
     js_path = fixtures_dir / "watch.js"
     js_lines, js_comments, js_has_bang = watcher.get_ai_comments(str(js_path))
-    assert len(js_lines) == 11, f"Expected 11 AI comments in JavaScript fixture, found {len(js_lines)}"
+    assert (
+        len(js_lines) == 11
+    ), f"Expected 11 AI comments in JavaScript fixture, found {len(js_lines)}"
     assert js_has_bang, "Expected at least one bang (!) comment in JavaScript fixture"