Mojave and Spyder 4. Can’t make DisplayCal work

[Jean T]

Hi. I am new to display cal which I downloaded to be able to use my Spyder4 which is not supported by Datacolor. It used to work before I upgraded to Mojave.

So, I launched DisplayCal, got the window used for setting the display properly, launched the calibration process which took quite some time to end up in a complete freeze. I had to kill the disprd script to be able to access the screen which was stuck with the measurement window in the middle.

I tried again, but now I can’t get past the DisplayCal window. When I start the measurement process, I get the following error log :

Traceback (most recent call last): │
2020-07-24 19:55:14,763 │ File “wx/_misc.pyc”, line 1367, in Notify │
2020-07-24 19:55:14,764 │ File “wx/_core.pyc”, line 16869, in Notify │
2020-07-24 19:55:14,764 │ File “DisplayCAL/DisplayCAL.pyc”, line 8638, in calibrate_and_profile │
2020-07-24 19:55:14,764 │ File “DisplayCAL/worker.pyc”, line 10670, in start_calibration │
2020-07-24 19:55:14,764 │ File “DisplayCAL/worker.pyc”, line 12617, in start │
2020-07-24 19:55:14,764 │ File “DisplayCAL/wxDisplayAdjustmentFrame.pyc”, line 788, in __init__ │
2020-07-24 19:55:14,765 │ File “DisplayCAL/wxDisplayAdjustmentFrame.pyc”, line 980, in _setup │
2020-07-24 19:55:14,765 │ File “DisplayCAL/wxaddons.pyc”, line 153, in SetSaneGeometry │
2020-07-24 19:55:14,765 │ File “DisplayCAL/wxaddons.pyc”, line 109, in GetDisplay │
2020-07-24 19:55:14,765 │ File “wx/_misc.pyc”, line 6118, in GetFromWindow │
2020-07-24 19:55:14,765 │ PyAssertionError: C++ assertion “Assert failure” failed at │
2020-07-24 19:55:14,766 │ /BUILD/wxPython-src-3.0.2.0/src/osx/core/display.cpp(167) in GetFromPoint(): │
2020-07-24 19:55:14,766 │ Failed to find display in display list

I’m using MacOS 10.14.6 (18G6020) on a Mac Pro (2010) with a RX 580 8 Go graphics card with 2 samsung displays.

Can you help me ?

Thanks

Jean

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