Trait Error: The ‘children’ trait of a VBox instance ... itkwidgets 1.0a16

Getting TraitError: The 'children' trait of a VBox instance contains an Instance of a TypedTuple which expected a Widget, not the Viewer at '0x2aaab5d0ad00'.

when running the code below in Jupyter Lab

import itkwidgets
import ipywidgets
    
view = itkwidgets.view(geometries=None, background=[0.0, 0.0, 0.0])

# Headings
heading = ipywidgets.HTML(value="<h1>Heading</h1>")

# Output Widget
widget = ipywidgets.VBox(children = [heading, view])

Below are my versions of packages.

itkwidgets 1.0a16 pypi_0 pypi ipywidgets 7.6.5 pyhd3eb1b0_1 defaults

When running with version 0.X of itkwidgets this error does not occur

itkwidgets 0.32.0 py38h32f6830_0 conda-forge