(fix): Indentation

Author: SpEcHiDe

pyrogram/methods/chats/pin_chat_message.py

@@ -80,7 +80,7 @@ async def pin_chat_message(
         business_connection = None
         if business_connection_id:
             business_connection = self.business_user_connection_cache.get(business_connection_id)
-        if business_connection is None:
+            if business_connection is None:
                 business_connection = await self.get_business_connection(business_connection_id)
             session = await get_session(
                 self,