code: def default(val, d):
      return val if exists(val) else d
  
file_path: TTS/TTS/tts/layers/bark/hubert/kmeans_hubert.py
imports: import logging
  from pathlib import Path
  import torch
  from einops import pack, unpack
  from torch import nn
  from torchaudio.functional import resample
  from transformers import HubertModel
label_desc: Use image node_id 4 for calling a global function with example usage: default(val, d) and returns: unknown