code: def enable_ttl(self, table_name, model):
          
          self._tables.pop(table_name, None)
          ttl_name = model.Meta.ttl["column"].dynamo_name
          request = {
              "TableName": table_name,
              "TimeToLiveSpecification": {"AttributeName": ttl_name, "Enabled": True}
          }
          try:
              self.dynamodb_client.update_time_to_live(**request)
          except botocore.exceptions.ClientError as error:
              raise BloopException("Unexpected error while setting TTL.") from error
docs: Calls UpdateTimeToLive on the table according to model.Meta["ttl"]
  
          :param table_name: The name of the table to enable the TTL setting on
          :param model: The model to get TTL settings from