Import Callable and Hashable from collections.abc

Importing those symbols from `typing` is deprecated.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

src/frequenz/channels/experimental/_grouping_latest_value_cache.py

@@ -5,8 +5,16 @@
 
 
 import asyncio
-from collections.abc import Callable, ItemsView, Iterator, KeysView, Mapping, ValuesView
-from typing import Hashable, TypeVar, overload
+from collections.abc import (
+    Callable,
+    Hashable,
+    ItemsView,
+    Iterator,
+    KeysView,
+    Mapping,
+    ValuesView,
+)
+from typing import TypeVar, overload
 
 from typing_extensions import override
 

src/frequenz/channels/experimental/_with_previous.py

@@ -4,7 +4,8 @@
 """Composable predicate to cache and compare with the previous message."""
 
 
-from typing import Callable, Final, Generic, TypeGuard
+from collections.abc import Callable
+from typing import Final, Generic, TypeGuard
 
 from frequenz.channels._generic import ChannelMessageT