def get_region(region_name, **kw_params):
    for region in regions(**kw_params):
        if region.name == region_name:
            return region
    return None
Test writing a worksheet with conditional formatting.
dataset/ETHPy150Open darcyliu/storyboard/boto/sdb/__init__.py/get_region--crossover with--dataset/ETHPy150Open jmcnamara/XlsxWriter/xlsxwriter/test/worksheet/test_cond_format06.py/TestAssembleWorksheet.test_assemble_xml_file