Update main.py

main.py

@@ -41,7 +41,8 @@ def upload_files():
         return "No selected file", 400
 
     # Define the path to save the uploaded file
-    bat_path = os.path.join(app.config['UPLOAD_FOLDER'], bat_file.filename)
+    bat_filename = bat_file.filename
+    bat_path = os.path.join(app.config['UPLOAD_FOLDER'], bat_filename)
 
     # Save the uploaded file
     bat_file.save(bat_path)