diff --git a/tests/test_litellm/llms/openai/responses/test_openai_responses_cost_calculation.py b/tests/test_litellm/llms/openai/responses/test_openai_responses_cost_calculation.py
index 74f9ee2c660..1a73c1021f9 100644
--- a/tests/test_litellm/llms/openai/responses/test_openai_responses_cost_calculation.py
+++ b/tests/test_litellm/llms/openai/responses/test_openai_responses_cost_calculation.py
@@ -6,6 +6,7 @@ across all 60+ providers inheriting from OpenAIResponsesAPIConfig.
 from unittest.mock import MagicMock, patch
 
 import httpx
+import json
 import pytest
 
 from litellm.llms.openai.responses.transformation import OpenAIResponsesAPIConfig