def get_region(region_name, **kw_params):
    for region in regions(**kw_params):
        if region.name == region_name:
            return region
    return None
Recurse to give us merge-order list of parents.
dataset/ETHPy150Open darcyliu/storyboard/boto/ec2/__init__.py/get_region--crossover with--dataset/ETHPy150Open buildingenergy/buildingenergy-platform/seed/models.py/BuildingSnapshot.parent_tree