import torch


def zero_loss(*args, **kwargs):
    """Dummy loss that always returns zero.

        Parameters
        ----------
        args : list
            Can take any number of positional arguments (without using them).
        kwargs : dict
            Can take any number of keyword arguments (without using them).

        Returns
        -------
        loss : torch.tensor
            torch.tensor(0)
        """
    return torch.tensor(0)