White Screen only

[Harfho]

upon running the counter.py flet example in the tutorial it run but only display white screen and it work well on browser

Code example to reproduce the issue:

Describe the results you received:

Describe the results you expected:

Additional information you deem important (e.g. issue happens only occasionally):

Flet version (pip show flet):

flet                  0.21.2

Give your requirements.txt file (don't pip freeze, instead give direct packages):

Package               Version
--------------------- --------------
annotated-types       0.6.0
anyio                 4.3.0
arrow                 1.3.0
binaryornot           0.4.4
certifi               2024.2.2
chardet               5.2.0
charset-normalizer    3.3.2
click                 8.1.7
colorama              0.4.6
cookiecutter          2.6.0
exceptiongroup        1.2.0
fastapi               0.110.0
flet                  0.21.2
flet-core             0.21.2
flet-runtime          0.21.2
h11                   0.14.0
httpcore              1.0.4
httptools             0.6.1
httpx                 0.27.0
idna                  3.6
Jinja2                3.1.3
markdown-it-py        3.0.0
MarkupSafe            2.1.5
mdurl                 0.1.2
oauthlib              3.2.2
packaging             23.2
pip                   24.0
pydantic              2.6.4
pydantic_core         2.16.3
Pygments              2.17.2
pypng                 0.20220715.0
python-dateutil       2.9.0.post0
python-dotenv         1.0.1
python-slugify        8.0.4
PyYAML                6.0.1
qrcode                7.4.2
repath                0.9.0
requests              2.31.0
rich                  13.7.1
setuptools            69.1.1
six                   1.16.0
sniffio               1.3.1
starlette             0.36.3
text-unidecode        1.3
types-python-dateutil 2.9.0.20240316
typing_extensions     4.10.0
urllib3               2.2.1
uvicorn               0.28.1
watchdog              4.0.0
watchfiles            0.21.0
websockets            12.0
wheel                 0.42.0

Operating system:

window 11

Additional environment details:

[ShikoThePro]

the same issue happened to me.and I have searched a lot but there is no solution. The flet team must tell us how to solve this problem

[lekshmanmj]

please provide code sample to reproduce issue.

[Harfho]

counter.py flet example in the tutorial provide on the Flet.dev page

[ShikoThePro]

And me when I run the same code a white screen is displayed then the program exit immediately