code: def __init__(self):
      self.langsmith_api_key = os.getenv("LANGSMITH_API_KEY")
  
file_path: litellm/litellm/integrations/langsmith.py
imports: import dotenv, os
  import requests
  import requests
  from datetime import datetime
  import traceback
label_desc: Use image node_id 1 to create a new LangsmithLogger object  with example: obj = LangsmithLogger()