diff --git a/client.py b/client.py
index ecdb403d..77ddc23d 100644
--- a/client.py
+++ b/client.py
@@ -66,14 +66,16 @@ async def extend_client_key(xui, email: str, new_expiry_time: int, client_id: st
         logger.info(
             f"Обновление ключа клиента {client.email} с ID {client.id} до нового времени: {new_expiry_time}"
         )
-        
+
         client.id = client_id
         client.expiry_time = new_expiry_time
-        
+
         if TOTAL_GB > 0:
             client.total_gb = TOTAL_GB
-            logger.info(f"Установлен объем трафика для клиента {client.email}: {TOTAL_GB} ГБ")
-        
+            logger.info(
+                f"Установлен объем трафика для клиента {client.email}: {TOTAL_GB} ГБ"
+            )
+
         await xui.client.update(client.id, client)
         logger.info(
             f"Ключ клиента {client.email} успешно продлён до {new_expiry_time}."
@@ -83,7 +85,6 @@ async def extend_client_key(xui, email: str, new_expiry_time: int, client_id: st
         logger.error(f"Ошибка при обновлении клиента с email {email}: {e}")
 
 
-
 async def delete_client(
     xui,
     email: str,
diff --git a/database.py b/database.py
index 901f1c4c..811ce558 100644
--- a/database.py
+++ b/database.py
@@ -1,6 +1,7 @@
 from datetime import datetime
-from loguru import logger
+
 import asyncpg
+from loguru import logger
 
 from config import DATABASE_URL
 
@@ -74,12 +75,11 @@ async def init_db():
 
     await conn.close()
 
+
 async def restore_trial(tg_id: int):
     conn = await asyncpg.connect(DATABASE_URL)
     try:
-        await conn.execute(
-            "UPDATE connections SET trial = 0 WHERE tg_id = $1", tg_id
-        )
+        await conn.execute("UPDATE connections SET trial = 0 WHERE tg_id = $1", tg_id)
     except Exception as e:
 
         logger.error(f"Ошибка при установке значения триала: {e}")
@@ -87,8 +87,6 @@ async def restore_trial(tg_id: int):
         await conn.close()
 
 
-
-
 async def add_connection(tg_id: int, balance: float = 0.0, trial: int = 0):
     conn = await asyncpg.connect(DATABASE_URL)
     await conn.execute(
diff --git a/handlers/admin/admin_commands.py b/handlers/admin/admin_commands.py
index 8a701b18..fd42ad71 100644
--- a/handlers/admin/admin_commands.py
+++ b/handlers/admin/admin_commands.py
@@ -3,12 +3,12 @@ from aiogram import Router, types
 from aiogram.filters import Command
 from aiogram.fsm.context import FSMContext
 from aiogram.fsm.state import State, StatesGroup
-from handlers.filters.admin import IsAdminFilter
 from loguru import logger
 
 from bot import bot
 from config import DATABASE_URL
 from database import add_balance_to_client, check_connection_exists
+from handlers.filters.admin import IsAdminFilter
 from handlers.texts import TRIAL
 
 router = Router()
diff --git a/handlers/admin/admin_panel.py b/handlers/admin/admin_panel.py
index 1ab09779..4c878d9b 100644
--- a/handlers/admin/admin_panel.py
+++ b/handlers/admin/admin_panel.py
@@ -3,18 +3,17 @@ from datetime import datetime
 
 import asyncpg
 from aiogram import F, Router, types
-
 from aiogram.filters import Command
 from aiogram.fsm.context import FSMContext
 from aiogram.fsm.state import State, StatesGroup
 from aiogram.types import CallbackQuery, InlineKeyboardButton, Message
 from aiogram.utils.keyboard import InlineKeyboardBuilder
-from handlers.filters.admin import IsAdminFilter
 
 from backup import backup_database
 from bot import bot
-from config import DATABASE_URL, ADMIN_ID
+from config import DATABASE_URL
 from handlers.admin.admin_commands import send_message_to_all_clients
+from handlers.filters.admin import IsAdminFilter
 
 router = Router()
 
diff --git a/handlers/admin/admin_user_editor.py b/handlers/admin/admin_user_editor.py
index bab13ab0..45b8510c 100644
--- a/handlers/admin/admin_user_editor.py
+++ b/handlers/admin/admin_user_editor.py
@@ -7,13 +7,13 @@ from aiogram.fsm.context import FSMContext
 from aiogram.fsm.state import State, StatesGroup
 from aiogram.types import CallbackQuery, InlineKeyboardButton
 from aiogram.utils.keyboard import InlineKeyboardBuilder
-from handlers.filters.admin import IsAdminFilter
 from loguru import logger
 
 from bot import bot
 from config import DATABASE_URL, SERVERS
-from database import get_client_id_by_email, update_key_expiry, restore_trial
+from database import get_client_id_by_email, restore_trial, update_key_expiry
 from handlers.admin.admin_panel import back_to_admin_menu
+from handlers.filters.admin import IsAdminFilter
 from handlers.keys.key_utils import delete_key_from_server, renew_server_key
 from handlers.utils import sanitize_key_name
 
@@ -101,12 +101,13 @@ async def handle_restore_trial(callback_query: types.CallbackQuery):
 
     builder = InlineKeyboardBuilder()
     builder.row(
-        InlineKeyboardButton(text="🔙 Назад в меню администратора", callback_data="back_to_user_editor")  
+        InlineKeyboardButton(
+            text="🔙 Назад в меню администратора", callback_data="back_to_user_editor"
+        )
     )
 
     await callback_query.message.edit_text(
-        "✅ Триал успешно восстановлен.",
-        reply_markup=builder.as_markup()
+        "✅ Триал успешно восстановлен.", reply_markup=builder.as_markup()
     )
 
 
@@ -261,7 +262,10 @@ async def handle_key_name_input(message: types.Message, state: FSMContext):
         if not user_records:
             builder = InlineKeyboardBuilder()
             builder.row(
-                InlineKeyboardButton(text="🔙 Назад в меню администратора", callback_data="back_to_user_editor")
+                InlineKeyboardButton(
+                    text="🔙 Назад в меню администратора",
+                    callback_data="back_to_user_editor",
+                )
             )
 
             await message.reply(
diff --git a/handlers/keys/key_management.py b/handlers/keys/key_management.py
index c2b46cbe..ba6a8c92 100644
--- a/handlers/keys/key_management.py
+++ b/handlers/keys/key_management.py
@@ -1,16 +1,16 @@
 import asyncio
 import uuid
 from datetime import datetime, timedelta
-from loguru import logger
 
 import asyncpg
 from aiogram import F, Router
 from aiogram.fsm.context import FSMContext
 from aiogram.fsm.state import State, StatesGroup
 from aiogram.types import CallbackQuery, InlineKeyboardButton, InlineKeyboardMarkup, Message
+from loguru import logger
 
 from bot import bot, dp
-from config import DATABASE_URL, PUBLIC_LINK, SERVERS, DOWNLOAD_ANDROID, DOWNLOAD_IOS, CONNECT_ANDROID, CONNECT_IOS
+from config import CONNECT_ANDROID, CONNECT_IOS, DATABASE_URL, DOWNLOAD_ANDROID, DOWNLOAD_IOS, PUBLIC_LINK, SERVERS
 from database import add_connection, get_balance, store_key, update_balance
 from handlers.instructions.instructions import send_instructions
 from handlers.keys.key_utils import create_key_on_server
@@ -107,13 +107,16 @@ async def confirm_create_new_key(callback_query: CallbackQuery, state: FSMContex
 
     logger.info(f"Balance for user {tg_id} is sufficient. Asking for device name.")
 
-    await callback_query.message.edit_text("🔑 Пожалуйста, введите имя подключаемого устройства:")
+    await callback_query.message.edit_text(
+        "🔑 Пожалуйста, введите имя подключаемого устройства:"
+    )
     await state.set_state(Form.waiting_for_key_name)
     logger.info(f"State set to waiting_for_key_name for user {tg_id}")
     await state.update_data(creating_new_key=True)
 
     await callback_query.answer()
 
+
 @dp.callback_query(F.data == "cancel_create_key")
 async def cancel_create_key(callback_query: CallbackQuery, state: FSMContext):
     await process_callback_view_profile(callback_query, state)
@@ -136,7 +139,9 @@ async def handle_key_name_input(message: Message, state: FSMContext):
 
     conn = await asyncpg.connect(DATABASE_URL)
     try:
-        logger.info(f"Checking if key name '{key_name}' already exists in the database.")
+        logger.info(
+            f"Checking if key name '{key_name}' already exists in the database."
+        )
         existing_key = await conn.fetchrow(
             "SELECT * FROM keys WHERE email = $1", key_name.lower()
         )
@@ -145,7 +150,9 @@ async def handle_key_name_input(message: Message, state: FSMContext):
                 tg_id,
                 "❌ Упс! Это имя уже используется. Выберите другое уникальное название для ключа.",
             )
-            logger.warning(f"Key name '{key_name}' already exists in the database for user {tg_id}.")
+            logger.warning(
+                f"Key name '{key_name}' already exists in the database for user {tg_id}."
+            )
             await state.set_state(Form.waiting_for_key_name)
             return
     finally:
@@ -206,9 +213,7 @@ async def handle_key_name_input(message: Message, state: FSMContext):
         url=f"{CONNECT_ANDROID}{public_link}",
     )
 
-    button_download_ios = InlineKeyboardButton(
-        text="🍏 Скачать", url=DOWNLOAD_IOS
-    )
+    button_download_ios = InlineKeyboardButton(text="🍏 Скачать", url=DOWNLOAD_IOS)
     button_download_android = InlineKeyboardButton(
         text="🤖 Скачать",
         url=DOWNLOAD_ANDROID,
@@ -272,7 +277,6 @@ async def handle_key_name_input(message: Message, state: FSMContext):
     await state.clear()
 
 
-
 @dp.callback_query(F.data == "instructions")
 async def handle_instructions(callback_query: CallbackQuery):
     await send_instructions(callback_query)
diff --git a/handlers/keys/keys.py b/handlers/keys/keys.py
index 9f494db8..161359c2 100644
--- a/handlers/keys/keys.py
+++ b/handlers/keys/keys.py
@@ -9,7 +9,7 @@ from aiogram.types import BufferedInputFile
 from loguru import logger
 
 from bot import bot
-from config import DATABASE_URL, PUBLIC_LINK, SERVERS, DOWNLOAD_ANDROID, DOWNLOAD_IOS, CONNECT_ANDROID, CONNECT_IOS
+from config import CONNECT_ANDROID, CONNECT_IOS, DATABASE_URL, DOWNLOAD_ANDROID, DOWNLOAD_IOS, PUBLIC_LINK, SERVERS
 from database import delete_key, get_balance, store_key, update_balance, update_key_expiry
 from handlers.keys.key_utils import delete_key_from_db, delete_key_from_server, renew_server_key, update_key_on_server
 from handlers.texts import INSUFFICIENT_FUNDS_MSG, KEY_NOT_FOUND_MSG, NO_KEYS, PLAN_SELECTION_MSG, RENEWAL_PLANS, SUCCESS_RENEWAL_MSG, key_message
@@ -69,7 +69,9 @@ async def process_callback_view_keys(callback_query: types.CallbackQuery):
                     with open(image_path, "rb") as image_file:
                         await bot.send_photo(
                             chat_id=tg_id,
-                            photo=BufferedInputFile(image_file.read(), filename="pic_keys.jpg"),
+                            photo=BufferedInputFile(
+                                image_file.read(), filename="pic_keys.jpg"
+                            ),
                             caption=response_message,
                             parse_mode="HTML",
                             reply_markup=inline_keyboard,
@@ -108,7 +110,9 @@ async def process_callback_view_keys(callback_query: types.CallbackQuery):
                     with open(image_path, "rb") as image_file:
                         await bot.send_photo(
                             chat_id=tg_id,
-                            photo=BufferedInputFile(image_file.read(), filename="pic_keys.jpg"),
+                            photo=BufferedInputFile(
+                                image_file.read(), filename="pic_keys.jpg"
+                            ),
                             caption=response_message,
                             parse_mode="HTML",
                             reply_markup=keyboard,
@@ -130,7 +134,6 @@ async def process_callback_view_keys(callback_query: types.CallbackQuery):
     await callback_query.answer()
 
 
-
 @router.callback_query(F.data.startswith("view_key|"))
 async def process_callback_view_key(callback_query: types.CallbackQuery):
     tg_id = callback_query.from_user.id
diff --git a/handlers/notifications.py b/handlers/notifications.py
index da1c0e05..c98a71fc 100644
--- a/handlers/notifications.py
+++ b/handlers/notifications.py
@@ -217,7 +217,7 @@ async def notify_24h_keys(
 async def handle_expired_keys(bot: Bot, conn: asyncpg.Connection, current_time: float):
     logger.info("Проверка истекших ключей...")
 
-    adjusted_current_time = current_time + (3 * 60 * 60 * 1000) 
+    adjusted_current_time = current_time + (3 * 60 * 60 * 1000)
     expiring_keys = await conn.fetch(
         """
         SELECT tg_id, client_id, expiry_time, email FROM keys 
@@ -271,22 +271,32 @@ async def handle_expired_keys(bot: Bot, conn: asyncpg.Connection, current_time:
                     )
                     if not success:
                         all_success = False
-                        logger.error(f"Не удалось продлить ключ для пользователя {tg_id} на сервере {server_id}.")
+                        logger.error(
+                            f"Не удалось продлить ключ для пользователя {tg_id} на сервере {server_id}."
+                        )
 
                 if all_success:
                     try:
-                        await bot.send_message(tg_id, KEY_RENEWED, reply_markup=keyboard)
+                        await bot.send_message(
+                            tg_id, KEY_RENEWED, reply_markup=keyboard
+                        )
                         logger.info(f"Ключ для пользователя {tg_id} успешно продлен.")
                     except Exception as e:
-                        logger.error(f"Ошибка при отправке уведомления пользователю {tg_id}: {e}")
+                        logger.error(
+                            f"Ошибка при отправке уведомления пользователю {tg_id}: {e}"
+                        )
 
             else:
                 try:
-                    await bot.send_message(tg_id, message_expired, reply_markup=keyboard)
+                    await bot.send_message(
+                        tg_id, message_expired, reply_markup=keyboard
+                    )
                 except Exception as e:
                     if "chat not found" in str(e):
-                        logger.warning(f"Чат для клиента {tg_id} не найден. Пропуск отправки сообщения.")
-                
+                        logger.warning(
+                            f"Чат для клиента {tg_id} не найден. Пропуск отправки сообщения."
+                        )
+
                 await delete_key(client_id)
 
                 for server_id in SERVERS:
@@ -297,12 +307,15 @@ async def handle_expired_keys(bot: Bot, conn: asyncpg.Connection, current_time:
                     )
                     success = await delete_client(xui, email, client_id)
                     if success:
-                        logger.info(f"Ключ для клиента {tg_id} успешно удален с сервера {server_id}.")
+                        logger.info(
+                            f"Ключ для клиента {tg_id} успешно удален с сервера {server_id}."
+                        )
                     else:
-                        logger.error(f"Не удалось удалить ключ для клиента {tg_id} на сервере {server_id}.")
+                        logger.error(
+                            f"Не удалось удалить ключ для клиента {tg_id} на сервере {server_id}."
+                        )
 
         except Exception as e:
             logger.error(f"Ошибка при обработке ключа для клиента {tg_id}: {e}")
 
         await asyncio.sleep(1)
-
diff --git a/handlers/payments/freekassa_pay.py b/handlers/payments/freekassa_pay.py
index e0db3b22..a916e587 100644
--- a/handlers/payments/freekassa_pay.py
+++ b/handlers/payments/freekassa_pay.py
@@ -8,11 +8,9 @@ import requests
 from aiogram import Router, types
 from aiogram.fsm.context import FSMContext
 from aiogram.fsm.state import State, StatesGroup
-from aiogram.types import InlineKeyboardButton
+from aiogram.types import InlineKeyboardButton, InlineKeyboardMarkup
 from aiogram.utils.keyboard import InlineKeyboardBuilder
 from aiohttp import web
-from aiogram.types import InlineKeyboardMarkup
-
 
 from bot import bot
 from config import FREEKASSA_API_KEY, FREEKASSA_SHOP_ID
diff --git a/handlers/payments/stars_pay.py b/handlers/payments/stars_pay.py
index e655407b..695ed355 100644
--- a/handlers/payments/stars_pay.py
+++ b/handlers/payments/stars_pay.py
@@ -1,12 +1,10 @@
 from aiogram import F, Router, types
 from aiogram.fsm.context import FSMContext
 from aiogram.fsm.state import State, StatesGroup
-from aiogram.types import InlineKeyboardButton
+from aiogram.types import InlineKeyboardButton, LabeledPrice
 from aiogram.utils.keyboard import InlineKeyboardBuilder
 from loguru import logger
 
-from aiogram.types import LabeledPrice
-
 from bot import bot
 from config import RUB_TO_XTR
 from database import add_connection, check_connection_exists, get_key_count, update_balance
diff --git a/handlers/payments/yookassa_pay.py b/handlers/payments/yookassa_pay.py
index e57cab33..894e9090 100644
--- a/handlers/payments/yookassa_pay.py
+++ b/handlers/payments/yookassa_pay.py
@@ -63,7 +63,7 @@ async def process_callback_pay_yookassa(
 
     builder = InlineKeyboardBuilder()
 
-    for i in range(0, 4, 2):  
+    for i in range(0, 4, 2):
         builder.row(
             InlineKeyboardButton(
                 text=PAYMENT_OPTIONS[i]["text"],
@@ -75,7 +75,7 @@ async def process_callback_pay_yookassa(
             ),
         )
 
-    for i in range(4, len(PAYMENT_OPTIONS)):  
+    for i in range(4, len(PAYMENT_OPTIONS)):
         builder.row(
             InlineKeyboardButton(
                 text=PAYMENT_OPTIONS[i]["text"],
@@ -107,7 +107,6 @@ async def process_callback_pay_yookassa(
     await callback_query.answer()
 
 
-
 @router.callback_query(F.data == "back_to_profile")
 async def back_to_profile_handler(
     callback_query: types.CallbackQuery, state: FSMContext
diff --git a/handlers/profile.py b/handlers/profile.py
index 0b5377c6..2560fbc7 100644
--- a/handlers/profile.py
+++ b/handlers/profile.py
@@ -109,7 +109,9 @@ async def invite_handler(callback_query: types.CallbackQuery):
             with open(image_path, "rb") as image_file:
                 await bot.send_photo(
                     chat_id=chat_id,
-                    photo=BufferedInputFile(image_file.read(), filename="pic_invite.jpg"),
+                    photo=BufferedInputFile(
+                        image_file.read(), filename="pic_invite.jpg"
+                    ),
                     caption=invite_message,
                     parse_mode="HTML",
                     reply_markup=builder.as_markup(),
@@ -132,8 +134,6 @@ async def invite_handler(callback_query: types.CallbackQuery):
     await callback_query.answer()
 
 
-
-
 @router.callback_query(F.data == "view_profile")
 async def view_profile_handler(callback_query: types.CallbackQuery, state: FSMContext):
     await process_callback_view_profile(callback_query, state)