[pre-commit.ci] auto fixes from pre-commit.com hooks

pre-commit-ci[bot] · pre-commit-ci[bot] · commit d857ae2f08e9 · 2025-07-05T08:19:03.000Z
for more information, see https://pre-commit.ci
diff --git a/data_structures/linked_list/singly_linked_list.py b/data_structures/linked_list/singly_linked_list.py
@@ -493,8 +493,6 @@ def test_singly_linked_list_2() -> None:
 
 
 def main():
-
-
     testmod()
 
     linked_list = LinkedList()
