Use type alias for Mapping

simplemma/strategies/dictionaries/dictionary_factory.py

@@ -8,16 +8,14 @@
 
 """
 
-from __future__ import annotations
-
 import lzma
 import pickle
 from abc import abstractmethod
-from collections.abc import Mapping
 from functools import lru_cache
 from os import listdir, path
 from pathlib import Path
 from typing import ByteString, Dict, Protocol
+from typing import Mapping
 
 DATA_FOLDER = str(Path(__file__).parent / "data")
 SUPPORTED_LANGUAGES = [

simplemma/strategies/dictionaries/trie_directory_factory.py

@@ -1,10 +1,8 @@
-from __future__ import annotations
-
 import logging
-from collections.abc import Mapping, MutableMapping
+from collections.abc import MutableMapping
 from functools import lru_cache
 from pathlib import Path
-from typing import Optional
+from typing import List, Mapping, Optional
 
 from marisa_trie import BytesTrie, HUGE_CACHE  # type: ignore[import-not-found]
 from platformdirs import user_cache_dir
@@ -51,7 +49,7 @@ class TrieDictionaryFactory(DictionaryFactory):
     lookup performance isn't as good as with dicts.
     """
 
-    __slots__: list[str] = []
+    __slots__: List[str] = []
 
     def __init__(
         self,