code: def test_typed_tuple_positional_trait():
      class TestCase(HasTraits):
          value = TypedTuple(Int())
  
      obj = TestCase(value=(1, 2, 3))
      assert obj.value == (1, 2, 3)
  
imports: import array
  import datetime
  import pytest
  from unittest import TestCase
  from traitlets import HasTraits, Int, TraitError
  from traitlets.tests.test_traitlets import TraitTestBase
  from ipywidgets import Color, NumberFormat
  from ipywidgets.widgets.widget import _remove_buffers, _put_buffers
  from ipywidgets.widgets.trait_types import date_serialization, TypedTuple
label_desc: Use image node_id 8 for calling a global function with example usage: test_typed_tuple_positional_trait() without return types