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QtWebEngineProcess _CFURLCopyResourcePropertyValuesAndFlags failed

See original GitHub issue

After starting Spyder 4.1.2 on Python 3.7.6 64-bit | Qt 5.9.6 | PyQt5 5.9.2 | Darwin 19.4.0, a terminal window opens with the following message:

Patricks-MacBook-Pro ~ % /Applications/spyder ; exit;
2020-05-09 14:02:17.836 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:17.877 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:17.902 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:17.925 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:17.950 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.010 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.041 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.067 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.092 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.111 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.114 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme
2020-05-09 14:02:18.119 QtWebEngineProcess[18078:5767743] _CFURLCopyResourcePropertyValuesAndFlags failed because it was passed an URL which has no scheme

Not a big deal as it doesn’t appear to cause any problems otherwise.