code: def color_aug(img, x):
      if config.COLOR_MODE > 1:
          augs = [brightness_aug, contrast_aug, saturation_aug]
          random.shuffle(augs)
      else:
          augs = [brightness_aug]
      for aug in augs:
          # print(img.shape)
          img = aug(img, x)
          # print(img.shape)
      return img
  
imports: from __future__ import print_function
  import numpy
  import cv2
  import os
  import math
  import sys
  import random
  from ..config import config
label_desc: Use image node_id 4 for calling a global function with example usage: color_aug(img, x) and returns: img