fix https://github.com/sagemathinc/cocalc/issues/2656 -- trying to end conn when using API and there is none...
fix https://github.com/sagemathinc/cocalc/issues/2656 -- trying to end conn when using API and there is none...

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