class_docstr: Wraps the AutoContrast method
class_docstr_tok: ["Wraps","the","AutoContrast","method"]
code: def __call__(self, img):
      return self.root_transform(img, 0)
  
imports: import numpy
  import PIL
label_desc: Use image node_id 2 for calling the AutoContrastTransform obj's underlying member method code with example usage: obj.__call__(img) and returns: self