diff --git a/core/services/devices/__init__.py b/core/services/devices/__init__.py
index 45296b9..5e1937a 100644
--- a/core/services/devices/__init__.py
+++ b/core/services/devices/__init__.py
@@ -2,4 +2,4 @@
 
 from core.services.devices.services import DevicesService
 
-__all__ = "DevicesService"
+__all__ = ("DevicesService",)
diff --git a/plugins/genshin/daily_note.py b/plugins/genshin/daily_note.py
index ea51755..d53495c 100644
--- a/plugins/genshin/daily_note.py
+++ b/plugins/genshin/daily_note.py
@@ -1,4 +1,3 @@
-import datetime
 from datetime import datetime
 from typing import Optional, TYPE_CHECKING
 
diff --git a/plugins/genshin/player_cards.py b/plugins/genshin/player_cards.py
index 6374ed6..ed1e2ca 100644
--- a/plugins/genshin/player_cards.py
+++ b/plugins/genshin/player_cards.py
@@ -47,7 +47,7 @@ try:
     from python_genshin_artifact.models.skill import SkillInfo
 
     GENSHIN_ARTIFACT_FUNCTION_AVAILABLE = True
-except ImportError as exc:
+except ImportError:
     get_damage_analysis = None
     get_transformative_damage = None
     enka_parser = None
diff --git a/utils/models/lock.py b/utils/models/lock.py
index e8e39fb..5ae2bfc 100644
--- a/utils/models/lock.py
+++ b/utils/models/lock.py
@@ -10,7 +10,7 @@ __all__ = ("HashLock",)
 
 _lock: "LockType" = Lock()
 _locks: Dict[int, "LockType"] = {}
-_clean_lock_task_map: Dict[int, Task]
+_clean_lock_task_map: Dict[int, Task] = {}
 
 
 async def delete_lock(target: int) -> None:
@@ -42,7 +42,7 @@ class HashLock:
             target = hash(target)
         self.target = target
 
-    def __enter__(self) -> None:
+    def __enter__(self) -> bool:
         # noinspection PyTypeChecker
         return self.lock.__enter__()
 
diff --git a/utils/typedefs/_queue.py b/utils/typedefs/_queue.py
index 9d6c81f..45172af 100644
--- a/utils/typedefs/_queue.py
+++ b/utils/typedefs/_queue.py
@@ -1,5 +1,5 @@
 # pylint: disable=W0049
-from typing import NoReturn, Optional, Protocol, TypeVar
+from typing import Optional, Protocol, TypeVar
 
 __all__ = ["BaseQueue", "SyncQueue", "AsyncQueue"]