text: import asyncio
  
  import motor.motor_asyncio
  from fastapi_users.db import MongoDBUserDatabase
  from fastapi_users_db_mongodb.access_token import MongoDBAccessTokenDatabase
  
  from pandahub.api.internal import settings
  from pandahub.api.internal.models import AccessToken, UserDB
  
  client = motor.motor_asyncio.AsyncIOMotorClient(
      settings.MONGODB_URL, uuidRepresentation="standard"
  )
  
  client.get_io_loop = asyncio.get_event_loop
  
  db = client["user_management"]
  collection = db["users"]
  access_tokens_collection = db["access_tokens"]
  
  
  async def get_user_db():
      yield MongoDBUserDatabase(UserDB, collection)
  
  
  async def get_access_token_db():
      yield MongoDBAccessTokenDatabase(AccessToken, access_tokens_collection)
  