def _NormalizeValue(bases, classDict, name, split=True):
    """Helper routine for row metaclass."""
    value = classDict.get(name)
    if value is None:
        for base in bases:
            value = getattr(base, name, None)
            if value is not None:
                break
    if split and isinstance(value, str):
        value = value.split()
    classDict[name] = value
    return value
