old_contents: # stdlib
  from typing import Dict
  
  # third party
  from fastapi import FastAPI
  from httpx import AsyncClient
  
  
  async def authenticate_user(
      app: FastAPI, client: AsyncClient, email: str, password: str
  ) -> Dict[str, str]:
      user_login = {"email": email, "password": password}
      res = await client.post(app.url_path_for("login"), json=user_login)
      res = res.json()
      auth_token = res["access_token"]
      return {"Authorization": f"Bearer {auth_token}"}
  
  
  async def authenticate_owner(app: FastAPI, client: AsyncClient) -> Dict[str, str]:
      return await authenticate_user(
          app, client, email="info@openmined.org", password="changethis"
      )
  
new_contents: # stdlib
  from typing import Dict
  
  # third party
  from fastapi import FastAPI
  from httpx import AsyncClient
  
  OWNER_EMAIL = "info@openmined.org"
  OWNER_PWD = "changethis"
  
  
  async def authenticate_user(
      app: FastAPI, client: AsyncClient, email: str, password: str
  ) -> Dict[str, str]:
      user_login = {"email": email, "password": password}
      res = await client.post(app.url_path_for("login"), json=user_login)
      res = res.json()
      auth_token = res["access_token"]
      return {"Authorization": f"Bearer {auth_token}"}
  
  
  async def authenticate_owner(app: FastAPI, client: AsyncClient) -> Dict[str, str]:
      return await authenticate_user(
          app,
          client,
          email=OWNER_EMAIL,
          password=OWNER_PWD,
      )
  
subject: ADD constant test variables OWNER_EMAIL / OWNER_PWD