code: def __init__(self, expected_field, found_fields):
      found_str = ", ".join(found_fields)
      super().__init__(
          f"Could not find provided field ('{expected_field}') "
          f"in data fields ('{found_str}')."
      )
  
imports: import os
  from typing import Any, Dict, Iterable, List, Optional, Tuple, Union
  from funcy import first, last
  from dvc.exceptions import DvcException
  from dvc.render import FIELD, FILENAME, INDEX, REVISION
  from .None import Converter
label_desc: Use image node_id 1 to create a new FieldNotFoundError object from inherited base classes: DvcException with example: obj = FieldNotFoundError(expected_field, found_fields)