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

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

src/pdm_packer/env.py

@@ -2,11 +2,11 @@
 
 import importlib
 import subprocess
+import sys
 from functools import cached_property
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import Any
-import sys
 
 from pdm.cli.actions import resolve_candidates_from_lockfile
 from pdm.project import Project