code: def _normalize_color(color):
      return tuple(v / 255.0 for v in color)
  
file_path: mediapipe/mediapipe/python/solutions/drawing_utils.py
imports: import dataclasses
  import math
  from typing import List, Mapping, Optional, Tuple, Union
  import cv2
  import matplotlib.pyplot
  import numpy
  from mediapipe.framework.formats import detection_pb2
  from mediapipe.framework.formats import landmark_pb2
  from mediapipe.framework.formats import location_data_pb2
label_desc: Use image node_id 5 for calling a global function with example usage: _normalize_color(color) and returns: tuple