Use os.PathLike over pathlib.Path

Sphinx 7.1 and earlier don't use ``pathlib`` internally.

sphinxcontrib/devhelp/__init__.py

@@ -6,9 +6,10 @@
 from __future__ import annotations
 
 import gzip
+import os
 import re
 from os import path
-from typing import TYPE_CHECKING, Any
+from typing import Any
 
 from docutils import nodes
 from sphinx import addnodes
@@ -25,9 +26,6 @@
 except ImportError:
     import lxml.etree as etree  # type: ignore
 
-if TYPE_CHECKING:
-    from pathlib import Path
-
 __version__ = '1.0.4'
 __version_info__ = (1, 0, 4)
 
@@ -64,7 +62,7 @@ def init(self) -> None:
     def handle_finish(self) -> None:
         self.build_devhelp(self.outdir, self.config.devhelp_basename)
 
-    def build_devhelp(self, outdir: Path, outname: str) -> None:
+    def build_devhelp(self, outdir: str | os.PathLike[str], outname: str) -> None:
         logger.info(__('dumping devhelp index...'))
 
         # Basic info