code: def _sessions_dir(filename=None):
      global sessions_dir
  
      path = sessions_dir
      if filename is not None:
          path = os.path.join(path, filename)
      return path
  
imports: from model import ExLlama, ExLlamaCache, ExLlamaConfig
  from tokenizer import ExLlamaTokenizer
  from generator import ExLlamaGenerator
  import time
  import torch
  import os
  import json
  import uuid
label_desc: Use image node_id 1 for calling a global function with example usage: _sessions_dir(filename) and returns: path