code: def send_html(self, html, status=200):
          
          self.headers.setdefault('Content-Type', 'text/html')
          self.message = html
          self.status_code = status
          self.send_headers()
          self.write()
          self.write_eof()
docs: Sends html response to client. Automatically sets the content-type
          header to text/html.
  
          Parameters
          ----------
          html : str
              The raw html string to be sent back to the client
          status : int, optional
              The HTTP status code, defaults to 200 (OK)