code: def test_data_wrangler_ecr_uri_none(load_config):
      region = "us-west-2"
      VERSIONS = ["1.x", "2.x", "3.x"]
      DATA_WRANGLER_ACCOUNTS = load_config["processing"]["versions"][
          "1.x"
      ]["registries"]
      actual_uri = image_uris.retrieve("data-wrangler", region=region)
      expected_uri = expected_uris.algo_uri(
          "sagemaker-data-wrangler-container",
          DATA_WRANGLER_ACCOUNTS[region],
          region,
          version=VERSIONS[-1],
      )
      assert expected_uri == actual_uri
  
imports: from __future__ import absolute_import
  import pytest
  from sagemaker import image_uris
  from tests.unit.sagemaker.image_uris import expected_uris
label_desc: Use image node_id 3 for calling a global function with example usage: test_data_wrangler_ecr_uri_none(load_config) without return types