code: def test_handle_docstring():
      class SampleConfigurable(Configurable):
          pass
  
      class TraitTypesSampleConfigurable(Configurable):
          """TraitTypesSampleConfigurable docstring"""
  
          trait_integer = Integer(
              help="""trait_integer help text""",
              config=True,
          )
          trait_integer_nohelp = Integer(
              config=True,
          )
          trait_integer_noconfig = Integer(
              help="""trait_integer_noconfig help text""",
          )
  
          trait_unicode = Unicode(
              help="""trait_unicode help text""",
              config=True,
          )
          trait_unicode_nohelp = Unicode(
              config=True,
          )
          trait_unicode_noconfig = Unicode(
              help="""trait_unicode_noconfig help text""",
          )
  
          trait_dict = Dict(
              help="""trait_dict help text""",
              config=True,
          )
          trait_dict_nohelp = Dict(
              config=True,
          )
          trait_dict_noconfig = Dict(
              help="""trait_dict_noconfig help text""",
          )
  
          trait_instance = Instance(
              klass=SampleConfigurable,
              help="""trait_instance help text""",
              config=True,
          )
          trait_instance_nohelp = Instance(
              klass=SampleConfigurable,
              config=True,
          )
          trait_instance_noconfig = Instance(
              klass=SampleConfigurable,
              help="""trait_instance_noconfig help text""",
          )
  
          trait_union = Union(
              [Integer(), Unicode()],
              help="""trait_union help text""",
              config=True,
          )
          trait_union_nohelp = Union(
              [Integer(), Unicode()],
              config=True,
          )
          trait_union_noconfig = Union(
              [Integer(), Unicode()],
              help="""trait_union_noconfig help text""",
          )
  
      base_names = SampleConfigurable().trait_names()
      for name in TraitTypesSampleConfigurable().trait_names():
          if name in base_names:
              continue
          doc = getattr(TraitTypesSampleConfigurable, name).__doc__
          if "nohelp" not in name:
              assert doc == f"{name} help text"
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_handle_docstring() without return types