diff --git a/pdelfin/birrpipeline.py b/pdelfin/birrpipeline.py
index 96d6659..d5c965e 100644
--- a/pdelfin/birrpipeline.py
+++ b/pdelfin/birrpipeline.py
@@ -25,7 +25,7 @@ from concurrent.futures import ProcessPoolExecutor, as_completed
 from pdelfin.data.renderpdf import render_pdf_to_base64png
 from pdelfin.prompts import build_finetuning_prompt
 from pdelfin.prompts.anchor import get_anchor_text
-from pdelfin.s3_utils import parse_custom_id, expand_s3_glob, get_s3_bytes, put_s3_bytes
+from pdelfin.s3_utils import parse_custom_id, expand_s3_glob, get_s3_bytes, parse_s3_path
 
 
 # Global s3 client for the whole script, feel free to adjust params if you need it
@@ -310,10 +310,7 @@ class BatchWriter:
         output_path = self._get_output_path(hash_str)
 
         if self.is_s3:
-            # Use s3 upload_file
-            parsed = urlparse(output_path)
-            bucket = parsed.netloc
-            key = parsed.path.lstrip("/")
+            bucket, key = parse_s3_path(output_path)
 
             # Use the s3 client directly
             try:
@@ -328,7 +325,6 @@ class BatchWriter:
         if self.after_flush:
             self.after_flush(batch_objects)
 
-        # Delete the temporary file
         os.remove(temp_file_path)
 
     def _compute_hash(self, temp_file_path: str) -> str:
@@ -687,12 +683,7 @@ if __name__ == '__main__':
             for _ in range(min(max_pending, total_pdfs)):
                 pdf = next(pdf_iter)
                 future = executor.submit(
-                    build_pdf_queries,
-                    args.workspace,
-                    pdf,
-                    current_round,
-                    args.target_longest_image_dim,
-                    args.target_anchor_text_len,
+                    build_pdf_queries, args.workspace, pdf, current_round, args.target_longest_image_dim,args.target_anchor_text_len,
                 )
                 pending_futures[future] = pdf
 
@@ -721,15 +712,10 @@ if __name__ == '__main__':
                     # Submit a new future if there are more PDFs
                     try:
                         pdf = next(pdf_iter)
-                        new_future = executor.submit(
-                            build_pdf_queries,
-                            args.workspace,
-                            pdf,
-                            current_round,
-                            args.target_longest_image_dim,
-                            args.target_anchor_text_len,
+                        future = executor.submit(
+                            build_pdf_queries, args.workspace, pdf, current_round, args.target_longest_image_dim,args.target_anchor_text_len,
                         )
-                        pending_futures[new_future] = pdf
+                        pending_futures[future] = pdf
                     except StopIteration:
                         pass  # No more PDFs to process