from __future__ import annotations

from dataclasses import dataclass, field

from ...row.row import Row


@dataclass
class LpixRow(Row):
    inputColumns = (
        "year",
        "value"
    )

    computedColumns = (
        "YoY",
    )

    year: int = None
    value: float = None
    YoY: float = None
    _prev: float | None = field(default=None, repr=False)