scripts/environment.json

{
    "cipd_package_files": [
        "third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json",
        "scripts/python.json"
    ],
    "virtualenv": {
        "gn_root": ".",
        "gn_targets": [":python_packages.install"]
    }
}