code: def test_implicit_value():
      prop = Properties(
          "MyStep", shape_name="DescribeTrainingJobResponse"
      )
  
      with pytest.raises(TypeError) as error:
          str(prop.CreationTime)
      assert (
          "Pipeline variables do not support __str__ operation."
          in str(error.value)
      )
  
      with pytest.raises(TypeError) as error:
          int(prop.CreationTime)
      assert (
          str(error.value)
          == "Pipeline variables do not support __int__ operation."
      )
  
      with pytest.raises(TypeError) as error:
          float(prop.CreationTime)
      assert (
          str(error.value)
          == "Pipeline variables do not support __float__ operation."
      )
  
file_path: sagemaker-python-sdk/tests/unit/sagemaker/workflow/test_properties.py
imports: from __future__ import absolute_import
  import pytest
  from mock import Mock
  from copy import deepcopy
  from sagemaker.workflow.properties import Properties
  from sagemaker.workflow.step_outputs import get_step
label_desc: Use image node_id 8 for calling a global function with example usage: test_implicit_value() without return types