def validate(self, handler):
        self._check_handler(handler)
Keyword arguments:
dataset/ETHPy150Open Relrin/aiorest-ws/aiorest_ws/validators.py/HandlerValidator.validate--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/ElementProxy._appendChild