    def _send_pos_command(self, pos: np.ndarray):
        """Internal function to send position command to the robot."""
        self._recover()
        arr = np.array(pos).astype(np.float32)
        data = {"arr": arr.tolist()}
        requests.post(self.url + "pose", json=data)
Internal function to send position command to the robot.
serl_robot_infra/franka_env/envs/franka_env.py