Actually use RetryOptions.constant.
Actually use RetryOptions.constant.

abhishekgahlot/cockroach-python,cockroachdb/cockroach-python,fengshao0907/cockroach-python,bdarnell/cockroachdb-python,fengshao0907/cockroach-python,bdarnell/cockroachdb-python,cockroachdb/cockroach-python,abhishekgahlot/cockroach-python