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

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

Author: pre-commit-ci[bot]

genetic_algorithm/knapsack.py

@@ -89,6 +89,7 @@ def generate_knapsack_instance(
 
 genome_t = list[int]  # An index list where 1 means item is included, 0 means excluded
 
+
 def evaluate(genome: genome_t, items: list[Item], capacity: int) -> tuple[int, int]:
     """
     Calculates fitness (value) and weight of a candidate solution. If overweight,