code: def shear_y(img, factor, **kwargs):
      _check_args_tf(kwargs)
      return img.transform(
          img.size, Image.AFFINE, (1, 0, 0, factor, 1, 0), **kwargs
      )
  
imports: import math
  import numpy
  import random
  import re
  import PIL
  from PIL import Image, ImageEnhance, ImageOps
label_desc: Use image node_id 4 for calling a global function with example usage: shear_y(img, factor) and returns: img