How to use the azure-cosmosdb-table.azure.cosmosdb.table.common._error.AzureSigningError function in azure-cosmosdb-table

def _add_authorization_header(self, request, string_to_sign):
        try:
            signature = _sign_string(self.account_key, string_to_sign)
            auth_string = 'SharedKey ' + self.account_name + ':' + signature
            request.headers['Authorization'] = auth_string
        except Exception as ex:
            # Wrap any error that occurred as signing error
            # Doing so will clarify/locate the source of problem
            raise _wrap_exception(ex, AzureSigningError)

timestamp_and_request_id = ''
                if logger.isEnabledFor(logging.CRITICAL):
                    exception_str_in_one_line = str(ex).replace('\n', '')
                    status_code = retry_context.response.status if retry_context.response is not None else 'Unknown'
                    timestamp_and_request_id = self.extract_date_and_request_id(retry_context)

                # if the http error was expected, we should short-circuit
                if isinstance(ex, AzureHttpError) and expected_errors is not None and ex.error_code in expected_errors:
                    logger.info("%s Received expected http error: "
                                "%s, HTTP status code=%s, Exception=%s.",
                                client_request_id_prefix,
                                timestamp_and_request_id,
                                status_code,
                                exception_str_in_one_line)
                    raise ex
                elif isinstance(ex, AzureSigningError):
                    logger.info("%s Unable to sign the request: Exception=%s.",
                                client_request_id_prefix,
                                exception_str_in_one_line)
                    raise ex

                logger.info("%s Operation failed: checking if the operation should be retried. "
                            "Current retry count=%s, %s, HTTP status code=%s, Exception=%s.",
                            client_request_id_prefix,
                            retry_context.count if hasattr(retry_context, 'count') else 0,
                            timestamp_and_request_id,
                            status_code,
                            exception_str_in_one_line)

                # Decryption failures (invalid objects, invalid algorithms, data unencrypted in strict mode, etc)
                # will not be resolved with retries.
                if str(ex) == _ERROR_DECRYPTION_FAILURE: