Fix 0-workers case.
Fix 0-workers case.

dasmoth/dalliance,bartcharbon/dalliance,jeffhsu3/dalliance,ENCODE-DCC/dalliance,limeng12/dalliance,ENCODE-DCC/dalliance,warelab/dalliance,bartcharbon/dalliance,Traksewt/dalliance,jeffhsu3/dalliance,Traksewt/dalliance,warelab/dalliance,dasmoth/dalliance,limeng12/dalliance