def get_begidx(self):
        return self.begidx
Check that the username exists
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/pyreadline/rlmain.py/Readline.get_begidx--crossover with--dataset/ETHPy150Open kobotoolbox/kobocat/onadata/libs/serializers/share_project_serializer.py/ShareProjectSerializer.validate_username