From 5d168b369f57a95d837a3a6139606524b7890785 Mon Sep 17 00:00:00 2001
From: JRoot Junior <jroot.junior@gmail.com>
Date: Fri, 17 Nov 2023 00:30:34 +0200
Subject: [PATCH] Reformat code

---
 aiogram/dispatcher/router.py |  2 +-
 aiogram/fsm/scene.py         |  1 +
 examples/quiz_scene.py       | 14 ++++++++++----
 tests/test_fsm/test_scene.py | 20 ++++++++++----------
 4 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/aiogram/dispatcher/router.py b/aiogram/dispatcher/router.py
index 59600663..4dd4284f 100644
--- a/aiogram/dispatcher/router.py
+++ b/aiogram/dispatcher/router.py
@@ -2,10 +2,10 @@ from __future__ import annotations
 
 from typing import Any, Dict, Final, Generator, List, Optional, Set
 
+from ..types import TelegramObject
 from .event.bases import REJECTED, UNHANDLED
 from .event.event import EventObserver
 from .event.telegram import TelegramEventObserver
-from ..types import TelegramObject
 
 INTERNAL_UPDATE_TYPES: Final[frozenset[str]] = frozenset({"update", "error"})
 
diff --git a/aiogram/fsm/scene.py b/aiogram/fsm/scene.py
index 7305c1c1..02ae2fa3 100644
--- a/aiogram/fsm/scene.py
+++ b/aiogram/fsm/scene.py
@@ -521,6 +521,7 @@ class SceneWizard:
         :param kwargs: Additional keyword arguments to pass to the scene.
         :return: None
         """
+        assert self.scene_config.state is not None, "Scene state is not specified"
         await self.goto(self.scene_config.state, **kwargs)
 
     async def goto(self, scene: Union[Type[Scene], str], **kwargs: Any) -> None:
diff --git a/examples/quiz_scene.py b/examples/quiz_scene.py
index 30eb71c6..67b8877b 100644
--- a/examples/quiz_scene.py
+++ b/examples/quiz_scene.py
@@ -4,13 +4,19 @@ from dataclasses import dataclass, field
 from os import getenv
 from typing import Any
 
-from aiogram import Router, html, F, Dispatcher, Bot
+from aiogram import Bot, Dispatcher, F, Router, html
 from aiogram.filters import Command
 from aiogram.fsm.context import FSMContext
-from aiogram.fsm.scene import Scene, on, SceneRegistry, ScenesManager
+from aiogram.fsm.scene import Scene, SceneRegistry, ScenesManager, on
 from aiogram.fsm.storage.memory import SimpleEventIsolation
-from aiogram.types import Message, KeyboardButton, ReplyKeyboardRemove
-from aiogram.utils.formatting import as_section, as_numbered_list, Bold, as_list, as_key_value
+from aiogram.types import KeyboardButton, Message, ReplyKeyboardRemove
+from aiogram.utils.formatting import (
+    Bold,
+    as_key_value,
+    as_list,
+    as_numbered_list,
+    as_section,
+)
 from aiogram.utils.keyboard import ReplyKeyboardBuilder
 
 TOKEN = getenv("BOT_TOKEN")
diff --git a/tests/test_fsm/test_scene.py b/tests/test_fsm/test_scene.py
index 415d08c1..ff8a39df 100644
--- a/tests/test_fsm/test_scene.py
+++ b/tests/test_fsm/test_scene.py
@@ -1,25 +1,25 @@
 import inspect
 from datetime import datetime
-from unittest.mock import AsyncMock, ANY, patch
+from unittest.mock import ANY, AsyncMock, patch
 
 import pytest
 
 from aiogram import F
 from aiogram.fsm.context import FSMContext
 from aiogram.fsm.scene import (
-    on,
-    ObserverMarker,
-    ObserverDecorator,
-    After,
-    SceneAction,
-    _empty_handler,
-    SceneWizard,
     ActionContainer,
-    SceneHandlerWrapper,
+    After,
+    ObserverDecorator,
+    ObserverMarker,
     Scene,
+    SceneAction,
+    SceneHandlerWrapper,
     ScenesManager,
+    SceneWizard,
+    _empty_handler,
+    on,
 )
-from aiogram.types import TelegramObject, Update, Message, Chat
+from aiogram.types import Chat, Message, TelegramObject, Update
 
 
 class TestOnMarker: