make networks not nullable on ranges
make networks not nullable on ranges

drkitty/cyder,OSU-Net/cyder,drkitty/cyder,drkitty/cyder,drkitty/cyder,akeym/cyder,murrown/cyder,OSU-Net/cyder,OSU-Net/cyder,murrown/cyder,zeeman/cyder,zeeman/cyder,zeeman/cyder,zeeman/cyder,murrown/cyder,akeym/cyder,akeym/cyder,murrown/cyder,akeym/cyder,OSU-Net/cyder