code: def url_from_config(
      config: Union[str, "URL", Dict[str, str]]
  ) -> "URL":
      if isinstance(config, dict):
          return make_url(**config)
      return make_url(config)
  
imports: import os
  from contextlib import contextmanager
  from dataclasses import dataclass
  from tempfile import NamedTemporaryFile
  from typing import TYPE_CHECKING, Any, Callable, Dict, Iterator, Optional, Union
  from sqlalchemy import create_engine
  from sqlalchemy.engine import make_url
  from sqlalchemy.exc import NoSuchModuleError
  from dvc import env
  from dvc.exceptions import DvcException
  from dvc.log import logger
  from dvc.types import StrOrBytesPath
  from dvc.utils import env2bool
label_desc: Use image node_id 3 for calling a global function with example usage: url_from_config(config) and returns: make_url, make_url