Why is my computer lagging when I want to restart flet 0.8.2

[bobwatcherx]

I feel my computer suddenly lagging and I have to force my computer to shut down. when I want to re-save my flet code. I just updated flet to version 0.8.2 . i have tried 3 times and indeed it is an error for version 0.8.2

device info

root@miop-HP-Convertible-x360-11-ab1XX:/home/miop# uname -a
Linux miop-HP-Convertible-x360-11-ab1XX 5.15.0-41-generic #44-Ubuntu SMP Wed Jun 22 14:20:53 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

root@miop-HP-Convertible-x360-11-ab1XX:/home/miop# inxi
CPU: dual core Intel Celeron N4000 (-MCP-) speed/min/max: 2536/800/2600 MHz
Kernel: 5.15.0-41-generic x86_64 Up: 7m Mem: 1984.3/3757.0 MiB (52.8%)
Storage: 465.76 GiB (34.0% used) Procs: 191 Shell: Bash inxi: 3.3.13

root@miop-HP-Convertible-x360-11-ab1XX:/home/miop# uname -r
5.15.0-41-generic