fix: RAG document download path (#187)

Author: yoomlam

app/src/ingestion/rag_utils.py

@@ -88,7 +88,9 @@ def populate_vector_db() -> None:
         logger.info("Region subfolders in S3: %s", s3_subfolders)
         # Exclude certain regions if needed
         for s3_folder in s3_subfolders.values():
-            download_s3_folder_to_local(s3, bucket, s3_folder, local_folder)
+            download_s3_folder_to_local(
+                s3, bucket, s3_folder, os.path.join(local_folder, s3_folder)
+            )
 
     region_subfolders = {
         entry.name: entry.path for entry in os.scandir(local_folder) if entry.is_dir()