code: def rectify_pose(pose):
      pose = pose.copy()
      R_mod = cv2.Rodrigues(np.array([np.pi, 0, 0]))[0]
      R_root = cv2.Rodrigues(pose[:3])[0]
      new_root = R_root.dot(R_mod)
      pose[:3] = cv2.Rodrigues(new_root)[0].reshape(3)
      return pose
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from itertools import cycle, islice
  from collections import abc
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from ppdet.core.workspace import register, serializable
  from ppdet.utils.logger import setup_logger
label_desc: Use image node_id 13 for calling a global function with example usage: rectify_pose(pose) and returns: pose