code: def test_tokenizer_base_model1():
      # test separate tokenizer
      from tests.test_langchain_units import get_test_model
  
      model, tokenizer, base_model, prompt_type = get_test_model(
          base_model="HuggingFaceH4/zephyr-7b-beta",
          tokenizer_base_model="amazon/MistralLite",
          prompt_type="human_bot",
      )
      assert "MistralForCausalLM" in str(model)
      assert "amazon/MistralLite" in str(tokenizer)
      assert prompt_type == "human_bot"
      print("here")
  
file_path: h2ogpt/tests/test_tokenizer.py
imports: import os
  import nltk
  import pytest
  from tests.utils import wrap_test_forked
  import re
  import time
label_desc: Use image node_id 6 for calling a global function with example usage: test_tokenizer_base_model1() without return types