diff --git a/src/langbot/pkg/platform/sources/telegram.py b/src/langbot/pkg/platform/sources/telegram.py
index 51797a66..1833975b 100644
--- a/src/langbot/pkg/platform/sources/telegram.py
+++ b/src/langbot/pkg/platform/sources/telegram.py
@@ -219,7 +219,10 @@ class TelegramAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
         application = ApplicationBuilder().token(config['token']).build()
         bot = application.bot
         application.add_handler(
-            MessageHandler(filters.TEXT | (filters.COMMAND) | filters.PHOTO | filters.VOICE | filters.Document.ALL, telegram_callback)
+            MessageHandler(
+                filters.TEXT | (filters.COMMAND) | filters.PHOTO | filters.VOICE | filters.Document.ALL,
+                telegram_callback,
+            )
         )
         super().__init__(
             config=config,