code: def reward_bonus(self, assignment_id, amount, reason):
          
          from psiturk.amt_services import MTurkServices
  
          self.amt_services = MTurkServices(
              self.aws_access_key_id,
              self.aws_secret_access_key,
              self.config.getboolean(
                  'Shell Parameters', 'launch_in_sandbox_mode'))
          return self.amt_services.bonus_worker(assignment_id, amount, reason)
docs: Reward the Turker with a bonus.