code: def test_predict2(self):
      results = self.module.predict(
          image=cv2.imread("tests/test.jpg"), visualization=False
      )
      segm = results["segm"]
      label = results["label"]
      score = results["score"]
      self.assertIsInstance(segm, np.ndarray)
      self.assertIsInstance(label, np.ndarray)
      self.assertIsInstance(score, np.ndarray)
  
file_path: PaddleHub/modules/image/instance_segmentation/solov2/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import numpy
  import requests
  import paddlehub
label_desc: Use image node_id 4 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_predict2() without return types