code: def preprocess_corpora_latent_variable(args):
      pass
  
imports: import argparse
  import os
  import tempfile
  from typing import Dict, List, Optional
  from pytorch_translate import constants, multilingual_utils, options, utils
  from pytorch_translate.data import char_data, data
  from pytorch_translate.data.dictionary import Dictionary
label_desc: Use image node_id 12 for calling a global function with example usage: preprocess_corpora_latent_variable(args) without return types