code: def test_string_square(self):
      observed = _quokka_normalize_extract("square")
      assert isinstance(observed, ia.BoundingBox)
      assert observed.x1 == 0
      assert observed.y1 == 0
      assert observed.x2 == 643
      assert observed.y2 == 643
  
imports: from __future__ import print_function, division, absolute_import
  import warnings
  import sys
  import numpy
  import imgaug
  import imgaug.data
  from imgaug.data import _quokka_normalize_extract, _compute_resized_shape
label_desc: Use image node_id 1 for calling the Test__quokka_normalize_extract obj's underlying member method code with example usage: obj.test_string_square() without return types