""" This module provides the base implementation for the :module:`re2` backend. WARNING: The *pathspec._backends.re2* package is not part of the public API. Its contents and structure are likely to change. """ from __future__ import annotations from typing import ( Optional) # Replaced by `X | None` in 3.10. from ._base import ( re2_error) re2_error: Optional[Exception] """ *re2_error* (:class:`Exception` or :data:`None`) is the re2 import error. """