Fix how list types are specified in type hints for type checking

When specifying that an input can be a list of some type, you don't use the list object, you use the List type. This has been fixed across all functions in the repo

src/rc_gpfs/policy/convert.py

@@ -5,7 +5,7 @@ import random
 import string
 import shutil
 from pathlib import Path
-from typing import Literal
+from typing import Literal, List
 from urllib.parse import unquote
 
 import pandas as pd
@@ -81,7 +81,7 @@ def convert(
 def hivize(
         parquet_path: str | Path, 
         hive_path: str | Path, 
-        tld: str | list[str] | None = None,
+        tld: str | List[str] | None = None,
         staging_path: str | Path | None = None,
         partition_size: str = '100MiB', 
         with_cuda: bool | Literal['infer'] = 'infer',