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Improve import times

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: dangillet

src/humanize/i18n.py

@@ -3,10 +3,12 @@
 from __future__ import annotations
 
 import gettext as gettext_module
-import importlib.resources
-import os
-import pathlib
 from threading import local
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import os
+    import pathlib
 
 __all__ = ["activate", "deactivate", "decimal_separator", "thousands_separator"]
 
@@ -39,6 +41,8 @@ def _get_default_locale_path() -> pathlib.Path | None:
     if not package:
         return None
 
+    import importlib.resources
+
     with importlib.resources.as_file(importlib.resources.files(package)) as pkg:
         return pkg / "locale"