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

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

Author: pre-commit-ci[bot]

knapsack/tests/test_greedy_knapsack.py

@@ -68,7 +68,9 @@ def test_unequal_list_length(self):
         # profit = [10, 20, 30, 40, 50]
         # weight = [2, 4, 6, 8, 10, 12]
         # max_weight = 100
-        pytest.raises(IndexError, match=r"The length of profit and weight must be same.")
+        pytest.raises(
+            IndexError, match=r"The length of profit and weight must be same."
+        )
 
 
 if __name__ == "__main__":