code: def test_shift_uint8():
      im = np.arange(256).reshape((16, -1))
      im = im.astype(np.uint8)
      interpolate.shift(im, [0, np.pi / 2], order=1)
  
file_path: mahotas/mahotas/tests/test_interpolate.py
imports: from mahotas import interpolate
  import numpy
  import pytest
  from pytest import raises
label_desc: Use image node_id 10 for calling a global function with example usage: test_shift_uint8() without return types