diff --git a/litellm/llms/amazon_nova/chat/transformation.py b/litellm/llms/amazon_nova/chat/transformation.py
index 528fa52036..325b0cb14b 100644
--- a/litellm/llms/amazon_nova/chat/transformation.py
+++ b/litellm/llms/amazon_nova/chat/transformation.py
@@ -1,7 +1,7 @@
 """
 Translate from OpenAI's `/v1/chat/completions` to Amazon Nova's `/v1/chat/completions`
 """
-from typing import Any, List, Optional, Tuple, Union
+from typing import Any, List, Optional, Tuple
 
 import httpx