code: def test_data_container_can_be_only_tuple_if_iterable_single(img_2x2):
      with pytest.raises(TypeError):
          slc.DataContainer(
              [
                  img_2x2,
              ],
              "I",
          )
  
imports: import itertools
  import random
  import cv2
  import numpy
  import pytest
  import torch
  import solt.core
  import solt.transforms
  import solt.utils
  from .fixtures import *
label_desc: Use image node_id 7 for calling a global function with example usage: test_data_container_can_be_only_tuple_if_iterable_single(img_2x2) without return types