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

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

Author: pre-commit-ci[bot]

generate.py

@@ -13,7 +13,6 @@
 import logging
 import subprocess
 from collections.abc import Iterator
-from concurrent.futures import ProcessPoolExecutor
 from dataclasses import dataclass, asdict
 from datetime import datetime, timezone
 from pathlib import Path