code: def auth(client):
      return AuthActions(client)
  
file_path: flask-sqlalchemy/examples/flaskr/tests/conftest.py
imports: from datetime import datetime
  import pytest
  from werkzeug.security import generate_password_hash
  from flaskr import create_app
  from flaskr import db
  from flaskr import init_db
  from flaskr.auth.models import User
  from flaskr.blog.models import Post
label_desc: Use image node_id 4 for calling a global function with example usage: auth(client) and returns: AuthActions