text: from dash_labs.templates.base import BaseTemplate
  import dash_html_components as html
  
  
  class FlatDiv(BaseTemplate):
      """
      Trivial template that returns all input containers in a single flat Div,
      inputs followed by outputs
      """
  
      def __init__(self):
          super().__init__()
  
      def _perform_layout(self):
          children = []
          children.extend(self.get_containers("input"))
          children.extend(self.get_containers("output"))
          return html.Div(children=children)
  