code: def test_constant_should_have_no_name(self):
      tests = [
          "None",
          "0",
          "1",
          "123",
          "False",
          "True",
          "'some string'",
          "b'some bytes'",
          "...",
      ]
  
      for test in tests:
          for st_call in st_calls:
              # Wrap test in an st call.
              code = st_call.format(test)
  
              actual = _get_variable_name_from_code_str(code)
              self.assertEqual(actual, None)
  
imports: import inspect
  import sys
  import unittest
  from unittest.mock import patch
  import numpy
  import pytest
  import streamlit
  from streamlit.elements.doc_string import _get_variable_name_from_code_str
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 3 for calling the GetVariableNameFromCodeStrTest obj's underlying member method code with example usage: obj.test_constant_should_have_no_name() without return types