fix https://github.com/sagemathinc/smc/issues/116, since so easy...
fix https://github.com/sagemathinc/smc/issues/116, since so easy...

DrXyzzy/smc,DrXyzzy/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc