class_docstr: Return an empty canvas made from the image and the original data.
class_docstr_tok: ["Return","an","empty","canvas","made","from","the","image","and","the","original","data","."]
code: def __call__(self, x, image_shape):
      return x, np.zeros(image_shape, dtype=np.float32)
  
file_path: baal/baal/utils/transforms.py
imports: import numpy
  import torch
  from PIL import Image
label_desc: Use image node_id 2 for calling the GetCanvas obj's underlying member method code with example usage: obj.__call__(x, image_shape) and returns: x,  np