code: def error_message(self):
          "Returns a one-line description of the error."
          output = self.msg + ", code " + str(self.code)
          output += ". Request Time={}, Request ID={}".format(self.timestamp, self.req_id)
          if self.name != self.__class__.__name__:
              output = self.name + ": " + output
          return outpuf error_message(self):
          "Returns a one-line description of the error."
          output = self.msg + ", code " + str(self.code)
          output += ". Request Time={}, Request ID={}".format(self.timestamp, self.req_id)
          if self.name != self.__class__.__name__:
              output = self.name + ": " + output
          return output
docs: Returns a one-line description of the error.