minor cleanup
minor cleanup

hsaputra/cdap,caskdata/cdap,caskdata/cdap,hsaputra/cdap,mpouttuclarke/cdap,caskdata/cdap,mpouttuclarke/cdap,chtyim/cdap,chtyim/cdap,hsaputra/cdap,hsaputra/cdap,mpouttuclarke/cdap,hsaputra/cdap,mpouttuclarke/cdap,chtyim/cdap,caskdata/cdap,caskdata/cdap,chtyim/cdap,chtyim/cdap,chtyim/cdap,mpouttuclarke/cdap,caskdata/cdap