def _prefix_getter(self):
        return self._prefix
Creates copies of the fields we are keeping
dataset/ETHPy150Open ctxis/canape/CANAPE.Scripting/Lib/lib2to3/pytree.py/Leaf._prefix_getter--crossover with--dataset/ETHPy150Open Atomidata/django-audit-log/audit_log/models/managers.py/AuditLog.copy_fields