class_docstr: RGB to BGR, or BGR to RGB, sensitive to MOTRandomAffine
      
class_docstr_tok: ["RGB","to","BGR",",","or","BGR","to","RGB",",","sensitive","to","MOTRandomAffine"]
code: def apply(self, sample, context=None):
      im = sample["image"]
      sample["image"] = np.ascontiguousarray(im[:, :, ::-1])
      return sample
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from numbers import Integral
  import cv2
  import copy
  import numpy
  import random
  import math
  from .operators import BaseOperator, register_op
  from .batch_operators import Gt2TTFTarget
  from ppdet.modeling.bbox_utils import bbox_iou_np_expand
  from ppdet.utils.logger import setup_logger
  from .op_helper import gaussian_radius
label_desc: Use image node_id 2 for calling the RGBReverse obj's underlying member method code with example usage: obj.apply(sample, context) and returns: sample