Improve source validator output
Improve source validator output

PauloAmora/peloton,seojungmin/peloton,apavlo/peloton,yingjunwu/peloton,PauloAmora/peloton,haojin2/peloton,apavlo/peloton,PauloAmora/peloton,cmu-db/peloton,yingjunwu/peloton,vittvolt/peloton,vittvolt/peloton,apavlo/peloton,seojungmin/peloton,malin1993ml/peloton,yingjunwu/peloton,apavlo/peloton,haojin2/peloton,cmu-db/peloton,vittvolt/peloton,yingjunwu/peloton,seojungmin/peloton,yingjunwu/peloton,haojin2/peloton,malin1993ml/peloton,PauloAmora/peloton,seojungmin/peloton,malin1993ml/peloton,PauloAmora/peloton,malin1993ml/peloton,cmu-db/peloton,PauloAmora/peloton,vittvolt/peloton,yingjunwu/peloton,cmu-db/peloton,cmu-db/peloton,haojin2/peloton,vittvolt/peloton,apavlo/peloton,cmu-db/peloton,malin1993ml/peloton,seojungmin/peloton,malin1993ml/peloton,apavlo/peloton,vittvolt/peloton,haojin2/peloton,haojin2/peloton,seojungmin/peloton