code: def test_segment3(self):
      results = self.module.segment(
          image=cv2.imread("tests/test.jpg"),
          labels=["其他", "猫"],
          visualization=False,
      )
  
      self.assertIsInstance(results["mix"], np.ndarray)
      self.assertIsInstance(results["color"], np.ndarray)
      self.assertIsInstance(results["gray"], np.ndarray)
      self.assertIsInstance(results["classes"]["其他"], np.ndarray)
      self.assertIsInstance(results["classes"]["猫"], np.ndarray)
  
file_path: PaddleHub/modules/image/semantic_segmentation/lseg/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import numpy
  import requests
  import paddlehub
label_desc: Use image node_id 5 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_segment3() without return types