diff --git a/evals/evaluation/bigcode_evaluation_harness/api_evaluator.py b/evals/evaluation/bigcode_evaluation_harness/api_evaluator.py
index 5cf2820e..729dcedc 100644
--- a/evals/evaluation/bigcode_evaluation_harness/api_evaluator.py
+++ b/evals/evaluation/bigcode_evaluation_harness/api_evaluator.py
@@ -79,6 +79,7 @@ def parallel_generations_by_api(
     if codegen_url := args.codegen_url:
         assert "/codegen" in codegen_url, "Only OPEA codegen compatible APIs are supported"
         import asyncio
+
         from tqdm.asyncio import tqdm
 
         async def get_res(prompt, semaphore):