code: def normalize(image):
      return image / 255.0
  
file_path: ImageAI/imageai_tf_deprecated/Detection/Custom/utils/utils.py
imports: import cv2
  import numpy
  import os
  from .bbox import BoundBox, bbox_iou
  from scipy.special import expit
label_desc: Use image node_id 8 for calling a global function with example usage: normalize(image) and returns: unknown