code: def setUp(self):
      self.initTestCase()
      self.rbox1 = gen_sample(self.n)
      self.rbox2 = gen_sample(self.m)
  
file_path: PaddleDetection/ppdet/ext_op/unittest/test_rbox_iou.py
imports: import numpy
  import sys
  import time
  from shapely.geometry import Polygon
  import paddle
  import unittest
  from ext_op import rbox_iou
label_desc: Use image node_id 1 for calling the RBoxIoUTest obj's underlying member method code with example usage: obj.setUp() without return types