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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

sorts/bead_sort.py

@@ -2,8 +2,10 @@
 Bead sort only works for sequences of non-negative integers.
 https://en.wikipedia.org/wiki/Bead_sort
 """
+
 from itertools import pairwise
 
+
 def bead_sort(sequence: list) -> list:
     """
     >>> bead_sort([6, 11, 12, 4, 1, 5])