diff --git a/sorts/adaptive_merge_sort.py b/sorts/adaptive_merge_sort.py
index 4dc9acbb3..4729898f4 100644
--- a/sorts/adaptive_merge_sort.py
+++ b/sorts/adaptive_merge_sort.py
@@ -50,7 +50,7 @@ def adaptive_merge_sort_helper(array: list, aux: list, low: int, high: int) -> N
 
     if array[mid] <= array[mid + 1]:
         print(f"Skipping merge as array[{mid}] <= array[{mid + 1}]")
-        array[low:high + 1] = aux[low:high + 1]
+        array[low : high + 1] = aux[low : high + 1]
         return
 
     merge(array, aux, low, mid, high)