code: def test_get_dp(self):
      # test get sent ids
  
      deprel, head = re_sample.get_dp()
  
      self.assertEqual(len(data["x"]), len(deprel))
      self.assertEqual(len(data["x"]), len(head))
  
file_path: textflint/test/input/component/sample/test_re_sample.py
imports: import unittest
  from textflint.input.component.sample.re_sample import RESample
  from textflint.common.preprocess.en_processor import EnProcessor
label_desc: Use image node_id 5 for calling the TestRESample obj's underlying member method code with example usage: obj.test_get_dp() without return types