Import Callable from typing, not collections.abc

Pylint can’t cope with the latter in Python 3.13.1.

nancy/__init__.py

@@ -12,8 +12,7 @@
 import subprocess
 import shutil
 from logging import debug
-from collections.abc import Callable
-from typing import List, Union, Optional, Tuple
+from typing import Callable, List, Union, Optional, Tuple
 import logging
 
 from .warnings_util import simple_warning, die