App can't be installed, would make the system instable

[carsten-re]

Describe the bug
I'd like to install this app as a pre-req before installing MediaDC. But Netxcloud 28.0.4 (using the image from Linuxserver.io) won't allow this installation.

To Reproduce
Nextcloud running in Docker, based on Linuxerver.io image. Version 28.0.4.
Going to App store and tried to install this App.

Expected behavior
This app is a pre-req before installing MediaDC application.

Desktop (please complete the following information):

• OS Alpine
• CPU 2 core VM, Proxmox
• Nextcloud version 28.0.4
• Database configuration mariaDB
• app version, that using cloud_py_api: N/A
• cloud_py_api version [e.g. 0.1.0]: N/A
• cloud_py_api config and admin settings (can be obtained in bug report admin settings section): N/A