def to_local_timezone(datetime):
    return get_i18n().to_local_timezone(datetime)
validate requirement expressions
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webapp2-2.3/webapp2_extras/i18n.py/to_local_timezone--crossover with--dataset/ETHPy150Open ohmu/poni/poni/tool.py/Tool.handle_require