diff --git a/constants.py b/constants.py
index 9d688de..f96d947 100644
--- a/constants.py
+++ b/constants.py
@@ -2,19 +2,21 @@ from __future__ import annotations
 
 import logging
 from copy import copy
-from collections import abc
 from enum import Enum, auto
 from datetime import timedelta
-from typing import Any, Literal
+from typing import Any, Dict, Literal, TYPE_CHECKING
 
 from typing_extensions import TypeAlias
 
 from version import __version__
 
+if TYPE_CHECKING:
+    from collections import abc  # noqa
+
 
 # Typing
-JsonType: TypeAlias = "dict[str, Any]"
-TopicProcess = abc.Callable[[int, JsonType], Any]
+JsonType = Dict[str, Any]
+TopicProcess: TypeAlias = "abc.Callable[[int, JsonType], Any]"
 # Values
 MAX_WEBSOCKETS = 8
 WS_TOPICS_LIMIT = 50
diff --git a/inventory.py b/inventory.py
index 1dd81c4..4055a25 100644
--- a/inventory.py
+++ b/inventory.py
@@ -4,12 +4,12 @@ from typing import TYPE_CHECKING
 from functools import cached_property
 from datetime import datetime, timezone
 
+from channel import Channel
 from constants import GQL_OPERATIONS
 from utils import timestamp, invalidate_cache, Game
 
 if TYPE_CHECKING:
     from twitch import Twitch
-    from channel import Channel
     from collections import abc
     from constants import JsonType
     from gui import CampaignProgress
diff --git a/twitch.py b/twitch.py
index 3952e05..e53aa2e 100644
--- a/twitch.py
+++ b/twitch.py
@@ -7,8 +7,8 @@ from yarl import URL
 from time import time
 from itertools import chain
 from functools import partial
-from typing import TYPE_CHECKING
 from collections import OrderedDict
+from typing import cast, TYPE_CHECKING
 from contextlib import suppress, asynccontextmanager
 
 try:
@@ -38,9 +38,9 @@ from constants import (
 )
 
 if TYPE_CHECKING:
+    from typing import Final
     from collections import abc
     from datetime import datetime
-    from typing import Final, cast
 
     from utils import Game
     from gui import LoginForm
diff --git a/utils.py b/utils.py
index abdb097..39802b0 100644
--- a/utils.py
+++ b/utils.py
@@ -8,7 +8,7 @@ from functools import wraps
 from contextlib import suppress
 from datetime import datetime, timezone
 from collections import abc, OrderedDict
-from typing import Any, Literal, Generic, TypeVar, cast, TYPE_CHECKING
+from typing import Any, Literal, MutableSet, Generic, TypeVar, cast, TYPE_CHECKING
 
 from constants import JsonType
 
@@ -62,7 +62,7 @@ def invalidate_cache(instance, *attrnames):
             delattr(instance, name)
 
 
-class OrderedSet(abc.MutableSet[_T]):
+class OrderedSet(MutableSet[_T]):
     """
     Implementation of a set that preserves insertion order,
     based on OrderedDict with values set to None.
@@ -111,7 +111,7 @@ class AwaitableValue(Generic[_T]):
         return self._event.is_set()
 
     def wait(self) -> abc.Coroutine[Any, Any, Literal[True]]:
-        return cast(abc.Coroutine[Any, Any, Literal[True]], self._event.wait())
+        return cast("abc.Coroutine[Any, Any, Literal[True]]", self._event.wait())
 
     def get_with_default(self, default: _D) -> _T | _D:
         if self._event.is_set():