code: def single2uint(img):
      return np.uint8((img.clip(0, 1) * 255.0).round())
  
imports: import math
  import os
  import random
  from datetime import datetime
  import cv2
  import numpy
  import torch
  from torchvision.utils import make_grid
label_desc: Use image node_id 18 for calling a global function with example usage: single2uint(img) and returns: np