Update app.py

app.py

@@ -15,9 +15,11 @@ login(HF_TOKEN)
 # --- Upload function ---
 def upload_to_hf(filepath):
     filename = os.path.basename(filepath)
+    SUBFOLDER = datetime.now().strftime("%Y%m%d")
+    path_in_repo = f"{SUBFOLDER}/{filename}"
     upload_file(
         path_or_fileobj=filepath,
-        path_in_repo=filename,
+        path_in_repo=path_in_repo,
         repo_id=REPO_ID,
         repo_type="dataset"
     )