def __init__(self, width: int = 5, curvature: float = 0.5, reduction: str = "mean"):
        """
        Args:
            @TODO: Docs. Contribution is welcome.
        """
        super().__init__()
        self.loss_fn = partial(
            wing_loss, width=width, curvature=curvature, reduction=reduction
        )

        Args:
            @TODO: Docs. Contribution is welcome.
        
catalyst/contrib/losses/wing.py