class_docstr: A class to represent an affine transform matrix.
class_docstr_tok: ["A","class","to","represent","an","affine","transform","matrix","."]
code: def __init__(self, data):
      self.data = data
  
imports: from __future__ import annotations
  import warnings
  import numpy
  import torch
  import monai
  from monai.config import NdarrayOrTensor
  from monai.data.utils import AFFINE_TOL
  from monai.transforms.utils_pytorch_numpy_unification import allclose
  from monai.utils import LazyAttr, convert_to_numpy, convert_to_tensor, look_up_option
label_desc: Use image node_id 1 to create a new Affine object  with example: obj = Affine(data)