code: def test_segmentation1(self):
      results = self.module.segmentation(
          paths=["tests/test.jpg"], use_gpu=False, visualization=False
      )
      self.assertIsInstance(results[0]["data"], np.ndarray)
  
file_path: PaddleHub/modules/image/semantic_segmentation/deeplabv3p_xception65_humanseg/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import requests
  import numpy
  import paddlehub
label_desc: Use image node_id 3 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_segmentation1() without return types