How to solve this Flet window size issue?

[CoderMaximus]

Question

Whenever I try to resize my flet window it just stays full screen!! Here is the code:

from flet import *

def main(page: Page):
page.title="Test"
page.window_height = 400
page.window_width = 400

if __name__ == "__main__":
app(main)

It also gives me this error but the app runs ok except for the resizing issue:

Gdk-CRITICAL **: 17:24:24.008: gdk_window_get_state: assertion 'GDK_IS_WINDOW (window)' failed

Please Help and advise!! and Thanks in advance

OS: Ubuntu 23.10

Code sample

No response

Error message

No response

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• I have searched for answers to my question both in the issues and in previous discussions.

[09u2h4n]

I guess, the problem is gstreamer. You can reinstall it.

Updating the system

sudo apt update

Installing base gstreamer

sudo apt install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev