fixed issue with exp input
fixed issue with exp input

cyclus/cycstub,mbmcgarry/TutorialStorage,harrisgreenberg/tutorial,jlittell/Storage,sskutnik/TutorialStorage,gonuke/cycamore,jlittell/Storage,gonuke/cycamore,gidden/cycstub,gonuke/cycamore,gonuke/TutorialStorage,katyhuff/MktDrivenInst,katyhuff/StreamBlender,harrisgreenberg/tutorial,FlanFlanagan/fuelfab,jlittell/cycamore,mbmcgarry/TutorialStorage,jdangerx/TutorialStorage,jdangerx/TutorialStorage,Baaaaam/cyBaM,Baaaaam/cyCLASS,katyhuff/SeparationMatrix,Baaaaam/cycamore,katyhuff/CommodConverter,sskutnik/TutorialStorage,Baaaaam/cyBaM,Baaaaam/cyBaM,cyclus/cycaless,rwcarlsen/cycamore,scopatz/Bright-lite,Baaaaam/cyCLASS,jlittell/cycamore,Baaaaam/cycamore,sskutnik/CommodConverter,rwcarlsen/cycamore,sskutnik/CommodConverter,rwcarlsen/cycamore,gonuke/cycamore,katyhuff/CommodConverter,katyhuff/MktDrivenInst,katyhuff/StreamBlender,jlittell/cycamore,cyclus/cycaless,jlittell/cycamore,Baaaaam/cycamore,rwcarlsen/cycamore,FlanFlanagan/fuelfab,cyclus/cycstub,katyhuff/SeparationMatrix,scopatz/Bright-lite,Baaaaam/cyBaM,gidden/cycstub,gonuke/TutorialStorage