diff --git a/turbo_alignment/dataset/chat/chat.py b/turbo_alignment/dataset/chat/chat.py
index c96af58f..316a7502 100755
--- a/turbo_alignment/dataset/chat/chat.py
+++ b/turbo_alignment/dataset/chat/chat.py
@@ -206,6 +206,7 @@ def _truncate_and_merge(
             truncated_conversation_messages = [conversation.messages[0]] + truncated_conversation_messages
             truncated_tokenized_replicas = [truncated_tokenized_replicas[0]] + truncated_tokenized_replicas
 
+
         for ind, (message, tokenized_replica) in enumerate(
             zip(
                 truncated_conversation_messages,