code: def attach_volume(self, xml_bytes):
          
          root = XML(xml_bytes)
          status = root.findtext("status")
          attach_time = root.findtext("attachTime")
          attach_time = datetime.strptime(
              attach_time[:19], "%Y-%m-%dT%H:%M:%S")
          return {"status": status, "attach_time": attach_time}
docs: Parse the XML returned by the C{AttachVolume} function.
  
          @param xml_bytes: XML bytes with a C{AttachVolumeResponse} root
              element.
          @return: a C{dict} with status and attach_time keys.
  
          TODO: volumeId, instanceId, device