Fix unicode/str error in object validation
Fix unicode/str error in object validation

mkl-/scioncc,mkl-/scioncc,crchemist/scioncc,crchemist/scioncc,scionrep/scioncc,ooici/pyon,crchemist/scioncc,scionrep/scioncc,ooici/pyon,scionrep/scioncc,mkl-/scioncc