probably fix https://github.com/sagemathinc/cocalc/issues/3450
probably fix https://github.com/sagemathinc/cocalc/issues/3450

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