def __getitem__(self, idx: int) -> Tuple[Tensor, Tensor]:
        """
        Args:
            idx: index of sample

        Returns:
            dummy features and targets vector
        """
        x = torch.ones(self.features_dim, dtype=torch.float)
        y = torch.ones(self.out_dim, dtype=torch.float)
        return x, y

        Args:
            idx: index of sample

        Returns:
            dummy features and targets vector
        
tests/catalyst/runners/test_runner.py