def to_internal(self, value) -> IN:
if value is None:
return None
row = Row()
row._values = [self._field_data_converters[i].to_internal(item)
for i, item in enumerate(value[1])]
row.set_field_names(self._field_names)
row.set_row_kind(RowKind(value[0]))
return row
