class_docstr: Interface for collecting information and visualizations for a feature.
  
  A "widget" serves as a container for data, diagnostics, and other outputs
  (i.e. DataFrames, plots, estimators etc.) for a feature in data-describe.
docstr: Show the default output.
  
  Assembles the object to be displayed by _repr_html_. This should respect the
  viz_backend, if applicable.
  
  Args:
      viz_backend: The visualization backend
  
  Raises:
      NotImplementedError: No default visualization defined.
docstr_tok: ["Show","the","default","output",".","Assembles","the","object","to","be","displayed","by","_repr_html_",".","This","should","respect","the","viz_backend",",","if","applicable",".","Args",":","viz_backend",":","The","visualization","backend","Raises",":","NotImplementedError",":","No","default","visualization","defined","."]
code: def show(self, viz_backend=None):
      """Show the default output.
  
      Assembles the object to be displayed by _repr_html_. This should respect the
      viz_backend, if applicable.
  
      Args:
          viz_backend: The visualization backend
  
      Raises:
          NotImplementedError: No default visualization defined.
      """
      backend = viz_backend or self.viz_backend  # noqa: F841
  
      raise NotImplementedError(
          "No default visualization defined defined on this widget."
      )
  
imports: from abc import ABC, abstractmethod
label_desc: Use image node_id 4 for calling the BaseWidget obj's underlying member method code with example usage: obj.show(viz_backend) without return types