code: def clicky(parser, token):
      
      bits = token.split_contents()
      if len(bits) > 1:
          raise TemplateSyntaxError("'%s' takes no arguments" % bits[0])
      return ClickyNode()
docs: Clicky tracking template tag.
  
      Renders Javascript code to track page visits.  You must supply
      your Clicky Site ID (as a string) in the ``CLICKY_SITE_ID``
      setting.