class_docstr: crop image 
class_docstr_tok: ["crop","image"]
code: def __call__(self, img):
      return center_crop(img, self.size)
  
imports: import numpy
  import PIL
  from PIL import Image
label_desc: Use image node_id 2 for calling the CenterCropImage obj's underlying member method code with example usage: obj.__call__(img) and returns: center_crop