class_docstr: A metadata field contains invalid data.
code: def __init__(self, field: str, message: str) -> None:
      self.field = field
      super().__init__(message)
  
imports: import email.feedparser
  import email.header
  import email.message
  import email.parser
  import email.policy
  import sys
  import typing
  from typing import Any, Callable, Dict, Generic, List, Optional, Tuple, Type, Union, cast
  from .None import requirements, specifiers, utils, version
label_desc: Use image node_id 1 to create a new InvalidMetadata object from inherited base classes: ValueError with example: obj = InvalidMetadata(field, message)