code: def module(self):
      self._check_backend(self._backend)
  
      return self.backends[self._backend]
  
file_path: nnabla/python/src/nnabla/utils/audio_utils/backend_manager.py
imports: import importlib
  from collections import OrderedDict
label_desc: Use image node_id 8 for calling the AudioUtilsBackendManager obj's underlying member method code with example usage: obj.module() and returns: self