code: def _no_match(dm: Tensor) -> Tuple[Tensor, Tensor]:
      """Helper function, which output empty tensors.
  
      Returns:
              - Descriptor distance of matching descriptors, shape of :math:`(0, 1)`.
              - Long tensor indexes of matching descriptors in desc1 and desc2, shape of :math:`(0, 2)`.
      """
      dists = torch.empty(0, 1, device=dm.device, dtype=dm.dtype)
      idxs = torch.empty(0, 2, device=dm.device, dtype=torch.long)
      return dists, idxs
  
file_path: kornia/kornia/feature/adalam/core.py
imports: import math
  from typing import Optional, Tuple, Union
  import torch
  from typing_extensions import NotRequired, TypedDict
  from kornia.core import Tensor, concatenate, tensor, where
  from .ransac import ransac
  from .utils import dist_matrix, orientation_diff
label_desc: Use image node_id 1 for calling a global function with example usage: _no_match(dm) and returns: dists,  idxs