- remove misleading comment, ref #3902
- remove misleading comment, ref #3902

Change-Id: I481628146ff31bc9ea2f8a3687f375832b17e501

wujuguang/sqlalchemy,wujuguang/sqlalchemy,sqlalchemy/sqlalchemy,j5int/sqlalchemy,monetate/sqlalchemy,monetate/sqlalchemy,graingert/sqlalchemy,graingert/sqlalchemy,j5int/sqlalchemy,zzzeek/sqlalchemy