class_docstr: The data attr in Image is an array-like object.
  Test the array-like interface that we'll expect to support.
code: def shape(self):
      return self._data.shape
  
imports: import warnings
  from itertools import chain
  import nibabel
  import numpy
  import pytest
  from numpy.testing import assert_almost_equal, assert_array_almost_equal, assert_array_equal
  from ...api import data_generator, parcels, write_data
  from ...reference.coordinate_map import AffineTransform, AxisError
  from ...reference.coordinate_system import CoordinateSystem
  from ..None import image
  from ..image import Image, is_image, iter_axis, rollimg
label_desc: Use image node_id 2 for calling the ArrayLikeObj obj's underlying member method code with example usage: obj.shape() and returns: self