class ActiveAdmin::Views::SidebarSection

def build(section)
  @section = section
  super(@section.title, :icon => @section.icon)
  self.id = @section.id
  build_sidebar_content
end

def build_sidebar_content
  if @section.block
    rvalue = instance_eval(&@section.block)
    self << rvalue if rvalue.is_a?(String)
  else
    text_node render(@section.partial_name)
  end
end