from __future__ import annotations

from attrs import define, field


@define
class LeContainer:
    attr: int

    @classmethod
    def make(cls, a: int) -> LeContainer:
        return LeContainer(a)


@define
class LeClass:
    # x: LeContainer = field(converter=LeContainer)  <-- This works
    x: LeContainer = field(converter=LeContainer.make)  # <-- This makes mypy complain