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

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Author: pre-commit-ci[bot]

dynamic_programming/travelling_salesman.py

@@ -1,5 +1,6 @@
 import sys
 
+
 def tsp_dp(distances: list[list[float]]) -> tuple[float, list[int]]:
     """
     Solves Traveling Salesman Problem using dynamic programming.