code: def test_fast_rcnn_empty_batch_cuda(self):
      self.test_fast_rcnn_empty_batch(device=torch.device("cuda"))
  
file_path: detectron2/tests/modeling/test_fast_rcnn.py
imports: import logging
  import unittest
  import torch
  from detectron2.layers import ShapeSpec
  from detectron2.modeling.box_regression import Box2BoxTransform, Box2BoxTransformRotated
  from detectron2.modeling.roi_heads.fast_rcnn import FastRCNNOutputLayers
  from detectron2.modeling.roi_heads.rotated_fast_rcnn import RotatedFastRCNNOutputLayers
  from detectron2.structures import Boxes, Instances, RotatedBoxes
  from detectron2.utils.events import EventStorage
label_desc: Use image node_id 3 for calling the FastRCNNTest obj's underlying member method code with example usage: obj.test_fast_rcnn_empty_batch_cuda() without return types