code: def test_empty_data(self):
      self._test_eval([(200, 250), (200, 249)])
  
file_path: detectron2/projects/DensePose/tests/test_model_e2e.py
imports: import unittest
  import torch
  from detectron2.structures import BitMasks, Boxes, Instances
  from .common import get_model
label_desc: Use image node_id 1 for calling the DensePoseRCNNE2ETest obj's underlying member method code with example usage: obj.test_empty_data() without return types