Update app.py

app.py

@@ -32,7 +32,7 @@ def upload_file_to_hub(file_path, repo_id, path_in_repo,  repo_type, commit_mess
         local_path = os.path.join(UPLOAD_DIR, file_path)
         api.upload_file(
             path_or_fileobj=local_path,
-            path_in_repo=path_in_repo or os.path.basename(safe_filename),
+            path_in_repo=path_in_repo or os.path.normpath(safe_filename),
             repo_id=repo_id,
             repo_type=repo_type,
             token=token,