fix: don't throw when manager.get() doesn't return a charm#509

seefeldb merged 1 commit intomaincommontoolsinc/labs:mainfrom

fix--don't-throw-when-charm.get()-is-called-on-a-non-charmcommontoolsinc/labs:fix--don't-throw-when-charm.get()-is-called-on-a-non-charmCopy head branch name to clipboard