code: def _did_timeout(self):
          
  
          bambou_logger.debug('Bambou %s on %s has timeout (timeout=%ss)..' % (self._request.method, self._request.url, self.timeout))
          self._has_timeouted = True
  
          if self.async:
              self._callback(self)
          else:
              return self
docs: Called when a resquest has timeout