fixed to BIDMach_Scala_Intro
fixed to BIDMach_Scala_Intro

jamesjia94/BIDMach,jamesjia94/BIDMach,jamesjia94/BIDMach,BIDData/BIDMach,jamesjia94/BIDMach,BIDData/BIDMach,BIDData/BIDMach,jamesjia94/BIDMach,BIDData/BIDMach,jamesjia94/BIDMach,BIDData/BIDMach,BIDData/BIDMach