code: def to_csv(self, file: StrOrBytesPath, progress=noop):
      import pandas as pd
  
      idfs = pd.read_sql(self.sql, self.con, chunksize=self.chunksize)
      with atomic_file(file) as f:
          for i, df in enumerate(idfs):
              df.to_csv(f, header=i == 0, index=False)
              progress(len(df))
  
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 1 for calling the Serializer obj's underlying member method code with example usage: obj.to_csv(file, progress) without return types