old_contents: # -*- coding: utf-8 -*-
  from ._version import __version__
  from .api import get, now, utcnow
  from .arrow import Arrow
  from .factory import ArrowFactory
  
new_contents: # -*- coding: utf-8 -*-
  from ._version import __version__
  from .api import get, now, utcnow
  from .arrow import Arrow
  from .factory import ArrowFactory
  from .parser import ParserError
  
subject: Add ParserError to the module exports.