code: def test_get_palm_tokens():
      # # 🦄🦄🦄🦄🦄🦄🦄🦄
      max_tokens = get_max_tokens("palm/chat-bison")
      assert max_tokens == 4096
      print(max_tokens)
  
file_path: litellm/litellm/tests/test_completion_cost.py
imports: import sys, os
  import traceback
  import time
  import litellm
  from litellm import get_max_tokens, model_cost, open_ai_chat_completion_models
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_palm_tokens() without return types