diff --git a/client.py b/client.py
index 81403e3f..a5566e47 100644
--- a/client.py
+++ b/client.py
@@ -13,7 +13,7 @@ async def add_client(
     expiry_time: int,
     enable: bool,
     flow: str,
-    inbound_id: int, 
+    inbound_id: int,
 ):
     """
     Adds a client to the server via 3x-ui.
diff --git a/handlers/keys/key_utils.py b/handlers/keys/key_utils.py
index 9c18756a..d6dab999 100644
--- a/handlers/keys/key_utils.py
+++ b/handlers/keys/key_utils.py
@@ -98,6 +98,7 @@ async def renew_key_in_cluster(cluster_id, email, client_id, new_expiry_time, to
         logger.error(f"Не удалось продлить ключ {client_id} в кластере {cluster_id}: {e}")
         raise e
 
+
 async def delete_key_from_db(client_id, session):
     try:
         await session.execute("DELETE FROM keys WHERE client_id = $1", client_id)
@@ -183,4 +184,4 @@ async def update_key_on_cluster(tg_id, client_id, email, expiry_time, cluster_id
 
     except Exception as e:
         logger.error(f"Ошибка при обновлении ключа на серверах кластера {cluster_id} для {client_id}: {e}")
-        raise e
\ No newline at end of file
+        raise e
diff --git a/handlers/keys/trial_key.py b/handlers/keys/trial_key.py
index 8cf10ecf..70d5adfe 100644
--- a/handlers/keys/trial_key.py
+++ b/handlers/keys/trial_key.py
@@ -5,7 +5,7 @@ import uuid
 from py3xui import AsyncApi
 
 from client import add_client
-from config import ADMIN_PASSWORD, ADMIN_USERNAME, CLUSTERS, PUBLIC_LINK, TRIAL_TIME, TOTAL_GB
+from config import ADMIN_PASSWORD, ADMIN_USERNAME, CLUSTERS, PUBLIC_LINK, TOTAL_GB, TRIAL_TIME
 from database import store_key, use_trial
 from handlers.texts import INSTRUCTIONS
 from handlers.utils import generate_random_email, get_least_loaded_cluster