diff --git a/authx/_internal/_callback.py b/authx/_internal/_callback.py
index 704818fa..049c8b3e 100644
--- a/authx/_internal/_callback.py
+++ b/authx/_internal/_callback.py
@@ -11,8 +11,7 @@
 
 
 class _CallbackHandler(Generic[T]):
-    """
-    Base class for callback handlers in AuthX.
+    """Base class for callback handlers in AuthX.
 
     Args:
         Generic (T): Model type
diff --git a/authx/_internal/_memory.py b/authx/_internal/_memory.py
index ba55ef18..da499d52 100644
--- a/authx/_internal/_memory.py
+++ b/authx/_internal/_memory.py
@@ -12,8 +12,7 @@ class MemoryIO:
     """
 
     def __init__(self) -> None:
-        """
-        Initialize an instance of MemoryIO.
+        """Initialize an instance of MemoryIO.
 
         Creates a dictionary to store the session data.
         """
diff --git a/authx/_internal/_signature.py b/authx/_internal/_signature.py
index f1a73cc2..e4140bc4 100644
--- a/authx/_internal/_signature.py
+++ b/authx/_internal/_signature.py
@@ -6,14 +6,10 @@
 
 
 class SignatureSerializer:
-    """
-    A class that implements a URL-safe timed serializer.
-    """
+    """A class that implements a URL-safe timed serializer."""
 
     def __init__(self, secret_key: str, expired_in: int = 0) -> None:
-        """
-        Initialize the serializer with a secret key and an optional expiration time.
-        """
+        """Initialize the serializer with a secret key and an optional expiration time."""
         self.ser = URLSafeTimedSerializer(secret_key)
         self.expired_in = expired_in
 
diff --git a/authx/config.py b/authx/config.py
index 1da8eec1..a9fefe16 100644
--- a/authx/config.py
+++ b/authx/config.py
@@ -1,5 +1,6 @@
+from collections.abc import Sequence
 from datetime import timedelta
-from typing import List, Optional, Sequence
+from typing import List, Optional
 
 from jwt.algorithms import get_default_algorithms, requires_cryptography
 from pydantic import Field
diff --git a/authx/main.py b/authx/main.py
index 728fa075..26e57359 100644
--- a/authx/main.py
+++ b/authx/main.py
@@ -1,10 +1,9 @@
 import contextlib
 import datetime
+from collections.abc import Awaitable, Coroutine
 from typing import (
     Any,
-    Awaitable,
     Callable,
-    Coroutine,
     Dict,
     Literal,
     Optional,
diff --git a/authx/schema.py b/authx/schema.py
index d671f7eb..6b7448dc 100644
--- a/authx/schema.py
+++ b/authx/schema.py
@@ -1,7 +1,8 @@
 import datetime
 import sys
+from collections.abc import Sequence
 from hmac import compare_digest
-from typing import Any, Dict, List, Optional, Sequence, Union
+from typing import Any, Dict, List, Optional, Union
 
 from pydantic import BaseModel, Field, ValidationError
 from pydantic.version import VERSION as PYDANTIC_VERSION
@@ -9,7 +10,7 @@
 if sys.version_info >= (3, 8):  # pragma: no cover
     from typing import Set  # pragma: no cover
 else:
-    from typing_extensions import Set  # pragma: no cover
+    from typing import Set  # pragma: no cover
 
 from authx._internal._utils import get_now, get_now_ts, get_uuid
 from authx.exceptions import (
diff --git a/authx/token.py b/authx/token.py
index b9da0215..655e2694 100644
--- a/authx/token.py
+++ b/authx/token.py
@@ -1,5 +1,6 @@
 import datetime
-from typing import Any, Dict, List, Optional, Sequence, Union
+from collections.abc import Sequence
+from typing import Any, Dict, List, Optional, Union
 
 import jwt
 
diff --git a/authx/types.py b/authx/types.py
index 9a29b91e..c74d4985 100644
--- a/authx/types.py
+++ b/authx/types.py
@@ -1,6 +1,7 @@
 import datetime
 import sys
-from typing import Callable, Literal, Optional, Sequence, TypeVar, Union
+from collections.abc import Sequence
+from typing import Callable, Literal, Optional, TypeVar, Union
 
 if sys.version_info >= (3, 10):  # pragma: no cover
     from typing import ParamSpecKwargs  # pragma: no cover
diff --git a/tests/app/conftest.py b/tests/app/conftest.py
index 10f63267..2702c6e2 100644
--- a/tests/app/conftest.py
+++ b/tests/app/conftest.py
@@ -18,7 +18,6 @@
 @pytest.fixture(scope="function")
 def config():
     """Fixture for AuthX Configuration"""
-
     return AuthXConfig(
         JWT_SECRET_KEY="secret",
         JWT_TOKEN_LOCATION=["headers", "json", "query", "cookies"],
@@ -28,7 +27,6 @@ def config():
 @pytest.fixture(scope="function")
 def api(config: AuthXConfig):
     """Fixture for FastAPI TestClient"""
-
     app, security = init_app(config=config)
     create_protected_routes(app, security)
     create_token_routes(app, security)
diff --git a/tests/test_core.py b/tests/test_core.py
index 139f7665..6223ce6b 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -1,5 +1,6 @@
 import json
-from typing import Any, Coroutine, Dict, List
+from collections.abc import Coroutine
+from typing import Any, Dict, List
 
 import pytest
 from fastapi import Request
diff --git a/tests/utils.py b/tests/utils.py
index ee869c7e..859ac67f 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -20,7 +20,6 @@ class SecuritiesTuple(NamedTuple):
 
 def init_app(config: Optional[AuthXConfig] = None) -> "tuple[FastAPI, AuthX]":
     """Initialize FastAPI app and AuthX instance."""
-
     app = FastAPI()
     security = AuthX(config=(config or AuthXConfig()))
 
@@ -29,7 +28,6 @@ def init_app(config: Optional[AuthXConfig] = None) -> "tuple[FastAPI, AuthX]":
 
 def create_securities(security: AuthX) -> SecuritiesTuple:
     """Create a named tuple with all AuthX dependencies."""
-
     return SecuritiesTuple(
         access_token_headers=Depends(
             security.token_required(
@@ -170,7 +168,6 @@ async def _protected_fresh_route():
 
 def create_blocklist_routes(app: FastAPI, security: AuthX) -> None:
     """Create routes to test AuthX dependencies."""
-
     BLOCKLIST = set()
 
     @security.set_callback_token_blocklist
@@ -195,7 +192,6 @@ async def _blocklist_access_route(
 
 def create_subject_routes(app: FastAPI, security: AuthX) -> None:
     """Create routes to test AuthX dependencies."""
-
     USER_DB = {
         "test": {"uid": "test", "email": "test@test.com"},
         "foo": {"uid": "foo", "email": "foo@bar.com"},