diff --git a/packages/happtiq_commons_google_cloud/src/happtiq_commons_google_cloud/gcs_api_service.py b/packages/happtiq_commons_google_cloud/src/happtiq_commons_google_cloud/gcs_api_service.py
index c7403b7..c580f12 100644
--- a/packages/happtiq_commons_google_cloud/src/happtiq_commons_google_cloud/gcs_api_service.py
+++ b/packages/happtiq_commons_google_cloud/src/happtiq_commons_google_cloud/gcs_api_service.py
@@ -48,3 +48,4 @@ def list_files_with_prefix(self, bucket_name: str, prefix: str):
         self.logger.info(f"found {len(file_list)} files in bucket {bucket_name} with prefix {prefix}")
     
         return file_list
+