fix pdm venv activate

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #9
• refactor check_env in test_core.py by @znd4 in #10
• change verbosity level to normal by @deronnax in #13

New Contributors

• @deronnax made their first contribution in #13

Full Changelog: v0.3.0...v0.3.1