code: def test_nested_free(self):
      code = """
              x = 1
              def g():
                  [x for x in range(3)]
                  return x
              g()
          """
      outputs = {"x": 1}
      self._check_in_scopes(
          code, outputs, scopes=["module", "function"]
      )
  
imports: import doctest
  import textwrap
  import types
  import unittest
label_desc: Use image node_id 19 for calling the ListComprehensionTest obj's underlying member method code with example usage: obj.test_nested_free() without return types