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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 6d6632e750f1 · 2025-10-04T10:11:52.000Z
for more information, see https://pre-commit.ci
diff --git a/data_structures/arrays/peak_mountain_array.py b/data_structures/arrays/peak_mountain_array.py
@@ -4,6 +4,7 @@
 Description: Finds the peak index in a mountain array using binary search.
 """
 
+
 def peak_mountain(arr):
     start, end = 0, len(arr) - 1
 
