code: def __init__(self, users_filename: str):
      self._users_filename = users_filename
  
      with open(users_filename) as users_file:
          self._users = yaml.safe_load(users_file.read())
  
file_path: argilla/src/argilla/server/cli/database/users/migrate.py
imports: import asyncio
  from typing import TYPE_CHECKING, List, Optional
  import typer
  import yaml
  from argilla.pydantic_v1 import BaseModel, Field, constr
  from argilla.server.database import AsyncSessionLocal
  from argilla.server.models import User, UserRole
  from argilla.server.security.auth_provider.db.settings import settings
  from argilla.server.security.model import USER_USERNAME_REGEX, WORKSPACE_NAME_REGEX
  from .utils import get_or_new_workspace
label_desc: Use image node_id 1 to create a new UsersMigrator object  with example: obj = UsersMigrator(users_filename)