code: def data_url():
      url = "https://github.com/kornia/data_test/blob/main/loftr_outdoor_and_homography_data.pt?raw=true"
      return url
  
file_path: kornia/test/tracking/test_planar_tracking.py
imports: import pytest
  import torch
  from kornia.feature import DescriptorMatcher, GFTTAffNetHardNet, LocalFeatureMatcher, SIFTFeature
  from kornia.geometry import rescale, transform_points
  from kornia.testing import assert_close
  from kornia.tracking import HomographyTracker
  from kornia.utils._compat import torch_version_le
label_desc: Use image node_id 1 for calling a global function with example usage: data_url() and returns: url