python - pre-commit は「環境」をどこにインストールしますか?

Question

pre-commitPython プロジェクトのリポジトリをセットアップしようとしています。実行するpre-commit installと、次のような出力が表示されます。

[INFO] Installing environment for https://github.com/asottile/seed-isort-config.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
[INFO] Installing environment for https://github.com/pre-commit/mirrors-isort.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
[INFO] Installing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
[INFO] Installing environment for https://github.com/pre-commit/mirrors-pylint.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...

これらの「環境」とは何ですか? また、それらはどこにインストールされていますか?