review fixes

src/ahriman/core/archive/archive_tree.py

@@ -97,8 +97,9 @@ class ArchiveTree(LazyLogging):
             parents = [repository] + list(repository.parents[:-1])
             for parent in parents:
                 path = root / parent
-                if not list(path.iterdir()):
-                    path.rmdir()
+                if list(path.iterdir()):
+                    continue  # directory is not empty
+                path.rmdir()
 
     def repository_for(self, date: datetime.date | None = None) -> Path:
         """

src/ahriman/models/repository_paths.py

@@ -26,16 +26,12 @@ from dataclasses import dataclass, field
 from functools import cached_property
 from pathlib import Path
 from pwd import getpwuid
-from typing import ParamSpec
 
 from ahriman.core.log import LazyLogging
 from ahriman.core.utils import owner
 from ahriman.models.repository_id import RepositoryId
 
 
-Params = ParamSpec("Params")
-
-
 @dataclass(frozen=True)
 class RepositoryPaths(LazyLogging):
     """