buildroot/support/testing/tests/package/test_python_distro.py

from tests.package.test_python import TestPythonPackageBase


class TestPythonPy3Distro(TestPythonPackageBase):
    __test__ = True
    config = TestPythonPackageBase.config + \
        """
        BR2_PACKAGE_PYTHON3=y
        BR2_PACKAGE_PYTHON_DISTRO=y
        """
    sample_scripts = ["tests/package/sample_python_distro.py"]