code: def test_2Darray(self):
      im = pyvips.Image.new_from_array([[1, 2, 3, 4], [5, 6, 7, 8]])
      assert im.width == 4
      assert im.height == 2
  
file_path: pyvips/tests/test_constants.py
imports: import pyvips
label_desc: Use image node_id 1 for calling the TestConstants obj's underlying member method code with example usage: obj.test_2Darray() without return types