code: def extra_template_vars(
      template, database, table, columns, view_name, request, datasette
  ):
      """Extra template variables to be made available to the template - can return dict or callable or awaitable"""
  
imports: from pluggy import HookimplMarker
  from pluggy import HookspecMarker
label_desc: Use image node_id 9 for calling a global function with example usage: extra_template_vars(template, database, table, columns, view_name, request, datasette) without return types