to handle deprecated mecqbank data

def has_provenance(self):
        """to handle deprecated mecqbank data"""
        if 'provenanceId' in self.my_osid_object._my_map:
            return bool(self.my_osid_object._my_map['provenanceId'] != '')
        else:
            return bool(self.my_osid_object._my_map['provenanceItemId'] != '')