diff --git a/misc/kb/client.py b/misc/kb/client.py
index 13f4dc3..e10dd0b 100644
--- a/misc/kb/client.py
+++ b/misc/kb/client.py
@@ -315,9 +315,7 @@ def subscription(order_id: int) -> InlineKeyboardMarkup:
                     text="▶️ Продолжить оформление", callback_data=f"confirm_order:{order_id}"
                 )
             ],
-            [
-                InlineKeyboardButton(text="🏠", callback_data="menu:main")
-            ]
+            [InlineKeyboardButton(text="🏠", callback_data="menu:main")],
         ]
     ).as_markup()
 
diff --git a/misc/utils.py b/misc/utils.py
index 7685f04..11366a2 100644
--- a/misc/utils.py
+++ b/misc/utils.py
@@ -33,9 +33,12 @@ def b64_to_dict(payload: str) -> dict["str", Any]:
     json_bytes = base64.urlsafe_b64decode(payload)
     return json.loads(json_bytes.decode("utf-8"))
 
+
 def is_member(chatmember: ResultChatMemberUnion):
-    return any([
-        isinstance(chatmember, ChatMemberOwner),
-        isinstance(chatmember, ChatMemberAdministrator),
-        isinstance(chatmember, ChatMemberMember),
-    ])
+    return any(
+        [
+            isinstance(chatmember, ChatMemberOwner),
+            isinstance(chatmember, ChatMemberAdministrator),
+            isinstance(chatmember, ChatMemberMember),
+        ]
+    )