Allow for the database to produce a UUID instance
Allow for the database to produce a UUID instance

Some database adapters (specifically, pg8000) already produce a uuid.UUID()
instance for UUID columns. Account for this.

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