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

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Author: pre-commit-ci[bot]

dynamic_programming/kadanes_algorithm.py

@@ -8,6 +8,7 @@
 Reference: https://en.wikipedia.org/wiki/Maximum_subarray_problem
 """
 
+
 def kadanes_algorithm(arr: list[int]) -> int:
     """
     Finds the maximum sum of a contiguous subarray using Kadane's Algorithm.