fix predict wrongly parsing all to arr of same dtype; resort to pandas
fix predict wrongly parsing all to arr of same dtype; resort to pandas

kengz/jarvis,MayankTi/aiva,kengz/jarvis,kengz/aiva,MayankTi/aiva,kengz/aiva,kengz/aiva,kengz/aiva,MayankTi/aiva,kengz/jarvis,MayankTi/aiva