Changed indentation to 4 spaces from 2
Changed indentation to 4 spaces from 2

LoLab-VU/pysb,spgarbet/pysb,d-fan/pysb,johnbachman/pysb,alubbock/pysb-legacy,jmuhlich/pysb,d-fan/pysb,spgarbet/pysb,alubbock/pysb,neurord/pysb,johnbachman/pysb,alubbock/pysb-legacy,alubbock/pysb-legacy,neurord/pysb,pysb/pysb,neurord/pysb,LoLab-VU/pysb,spgarbet/pysb,d-fan/pysb,alubbock/pysb-legacy