code: def sharpness(img, factor, **__):
      return ImageEnhance.Sharpness(img).enhance(factor)
  
imports: import math
  import random
  import re
  import numpy
  import PIL
  from classy_vision.dataset.transforms import register_transform
  from classy_vision.dataset.transforms.classy_transform import ClassyTransform
  from PIL import Image, ImageEnhance, ImageOps
label_desc: Use image node_id 19 for calling a global function with example usage: sharpness(img, factor) and returns: ImageEnhance