diff --git a/src/google/adk/models/lite_llm.py b/src/google/adk/models/lite_llm.py
index 430d2e20..2dfcbba8 100644
--- a/src/google/adk/models/lite_llm.py
+++ b/src/google/adk/models/lite_llm.py
@@ -35,10 +35,10 @@ from litellm import acompletion
 from litellm import ChatCompletionAssistantMessage
 from litellm import ChatCompletionAssistantToolCall
 from litellm import ChatCompletionDeveloperMessage
+from litellm import ChatCompletionFileObject
 from litellm import ChatCompletionImageUrlObject
 from litellm import ChatCompletionMessageToolCall
 from litellm import ChatCompletionTextObject
-from litellm import ChatCompletionFileObject
 from litellm import ChatCompletionToolMessage
 from litellm import ChatCompletionUserMessage
 from litellm import ChatCompletionVideoUrlObject
@@ -265,13 +265,9 @@ def _get_content(
         )
       elif part.inline_data.mime_type == "application/pdf":
         content_objects.append(
-          ChatCompletionFileObject(
-            type="file",
-            file={
-              "file_data": data_uri,
-              "format": "pdf"
-            }
-          )
+            ChatCompletionFileObject(
+                type="file", file={"file_data": data_uri, "format": "pdf"}
+            )
         )
       else:
         raise ValueError("LiteLlm(BaseLlm) does not support this content part.")