Update app.py

app.py

@@ -13,4 +13,4 @@ print('Starting Auto-Backup Service.')
 threading.Thread(target=start_backup_service, daemon=True).start()
 
 print('Starting Coder server.')
-subprocess.run['code-server --bind-addr 0.0.0.0:7860 --auth none /home/vscode/workspace')
+subprocess.run('code-server --bind-addr 0.0.0.0:7860 --auth none /home/vscode/workspace')