fix requirements

backend/data_loader.py

@@ -73,7 +73,7 @@ for task_key, _, display in TASKS:
 # -----------------------------------------------------------------------------
 
 def silent_snapshot_download(**kwargs):
-    # with contextlib.redirect_stdout(io.StringIO()), contextlib.redirect_stderr(io.StringIO()):
+    with contextlib.redirect_stdout(io.StringIO()), contextlib.redirect_stderr(io.StringIO()):
         return snapshot_download(**kwargs)
 
 

requirements.txt

@@ -10,5 +10,5 @@ transformers==5.1.0
 Jinja2==3.1.6
 python-multipart==0.0.22
 tiktoken
-# fastparquet
-# pyarrow
+fastparquet==2025.12.0
+pyarrow==23.0.1