def get_username(self):
        """Get the Marathon API username

        :returns: The Marathon API username"""
        try:
            return self['user']
        except __HOLE__:
            raise MarathonNotConfigured('Could not find marathon user in system marathon config: %s' % self.path)
dataset/ETHPy150Open Yelp/paasta/paasta_tools/marathon_tools.py/MarathonConfig.get_username