Use FreeSimpleGui instead

requirements.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 pip3 install proxmoxer
-pip3 install "PySimpleGUI<5.0.0"
+pip3 install FreeSimpleGUI
 pip3 install requests

vdiclient.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 import proxmoxer # pip install proxmoxer
-import PySimpleGUI as sg # pip install PySimpleGUI
+import FreeSimpleGUI as sg # pip install PySimpleGUI
 gui = 'TK'
 import requests
 from datetime import datetime