code: def export(
      self, file: StrOrBytesPath, format: str = "csv", progress=noop
  ):  # noqa: A002
      if format == "json":
          return self.to_json(file, progress=progress)
      return self.to_csv(file, progress=progress)
  
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 the Serializer obj's underlying member method code with example usage: obj.export(file, format, progress) and returns: self, self