def from_yaml(data):
    """
    Interpolate the provided data and return a dict.

    Currently, this is used to reinterpolate the `molecule.yml` inside an
    Ansible playbook.  If there were any interpolation errors, they would
    have been found and raised earlier.

    :return: dict
    """
    molecule_env_file = os.environ['MOLECULE_ENV_FILE']

    env = os.environ.copy()
    env = config.set_env_from_file(env, molecule_env_file)

    i = interpolation.Interpolator(interpolation.TemplateWithDefaults, env)
    interpolated_data = i.interpolate(data)

    return util.safe_load(interpolated_data)