@staticmethod
    def add_list(columns, key, value):
        if not isinstance(value, ListType):
            raise InternalModuleError("Entry for key %r is not a list" % key)
        if key is not None:
            value = [key] + value
        for i, v in enumerate(value):
            columns[i].append(v)
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/tabledata/read/convert.py/BaseConverter.add_list/original