How to use the evasdk.robot_state.RobotState function in evasdk

def control_wait_for(self, goal, interval_sec=1):
        """
        control_wait_for will poll Eva's state, waiting for Eva to reach the goal state
        """
        parsed_goal = RobotState(goal)

        while True:
            robot_state = RobotState(self.data_snapshot()['control']['state'])

            if robot_state == RobotState.ERROR:
                eva_error('Eva is in error control state')
            elif robot_state == parsed_goal:
                return

            time.sleep(interval_sec)

def control_wait_for(self, goal, interval_sec=1):
        """
        control_wait_for will poll Eva's state, waiting for Eva to reach the goal state
        """
        parsed_goal = RobotState(goal)

        while True:
            robot_state = RobotState(self.data_snapshot()['control']['state'])

            if robot_state == RobotState.ERROR:
                eva_error('Eva is in error control state')
            elif robot_state == parsed_goal:
                return

            time.sleep(interval_sec)

def control_resume(self, wait_for_ready=True):
        r = self.api_call_with_auth('POST', 'controls/resume')
        if r.status_code != 200:
            eva_error('control_resume error', r)
        elif wait_for_ready:
            time.sleep(0.1)     # sleep for small period to avoid race condition between updating cache and reading state
            self.control_wait_for(RobotState.READY)