code: def _get_model_path_by_language(self, language):
      model_path_subdir = append_language(
          "lib/common/porcupine_params", language
      )
      return os.path.join(self._root_dir, "%s.pv" % model_path_subdir)
  
file_path: porcupine/demo/c/test/test_porcupine_c.py
imports: import os.path
  import subprocess
  import sys
  import unittest
  from parameterized import parameterized
  from test_util import *
label_desc: Use image node_id 3 for calling the PorcupineCTestCase obj's underlying member method code with example usage: obj._get_model_path_by_language(language) and returns: os