application crashes on startup with an error message,

[CainsLee]

Describe the bug
The application crashes on startup with an error message, regardless of whether it's installed via installer or pip.

To Reproduce

Steps to reproduce the behavior:

1. Install DisplayCAL using either the installer or pip
2. Launch DisplayCAL
3. Observe the error message on startup

Expected behavior
DisplayCAL should start normally without any error messages.

Screenshots
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Versions (please complete the following information):

• OS: Windows 10
• Python Version: 3.10 and 3.11 (both tried)
• ArgyllCMS Version: 3.3
• DisplayCAL Version: 3.9.14

[arition]

Can confirm the same issue

[VgerTest]

Try to run requrements:

pip uninstall displaycal
pip install -r requirements.txt -r requirements-dev.txt
python -m build

Then intall the wheel or freeze.