code: def parse_error(self, response):
          "Parse an error response"
          error_code = response.split(' ')[0]
          if error_code in self.EXCEPTION_CLASSES:
              response = response[len(error_code) + 1:]
              return self.EXCEPTION_CLASSES[error_code](response)
          return ResponseError(responsef parse_error(self, response):
          "Parse an error response"
          error_code = response.split(' ')[0]
          if error_code in self.EXCEPTION_CLASSES:
              response = response[len(error_code) + 1:]
              return self.EXCEPTION_CLASSES[error_code](response)
          return ResponseError(response)
docs: Parse an error response