The attribute of template object in the code is no longer available.
template.add_version('2010-09-09') // no longer available
template.set_version('2010-09-09') // new update
template.add_description('Ethereum ETL Export CloudFormation Stack') // no longer available
template.set_description('Ethereum ETL Export CloudFormation Stack') // new update
Hi,
The attribute of template object in the code is no longer available.