Hi Werner, The error I see is when I am building QGIS with QT6 on Ubuntu 25.04 (but I also tried 24.10 with the same result).
On Mon, Jul 21, 2025 at 5:04 PM Werner Macho <[email protected]> wrote: > Hi Alessandro, > Nice to see another one having the same problem. > On which linux distribution are you? > I am using debian testing - and despite having it installed again from > scratch I have the same problem (though nothing from qt5 installed the > second time). > Probably a problem in the debian package? > It was not urgent for me so I did not report it yet. > > regards > Werner > > On Mon, Jul 21, 2025 at 4:58 PM Alessandro Pasotti via QGIS-Developer < > [email protected]> wrote: > >> Hi, >> >> I am trying to build QGIS with QT6 on Ubuntu (tried 24.10 and 25.04), >> it builds without errors but when I run it, the following error appears: >> >> Couldn't load PyQGIS. >> Python support will be disabled. >> >> >> Traceback (most recent call last): >> File "", line 1, in >> File >> "/home/ale/dev/QGIS/build/Desktop_QT6-Debug/output/python/qgis/gui/__init__.py", >> line 25, in >> from qgis._gui import * >> RuntimeError: qgis._gui cannot import type '���A� ' from PyQt6.QtCore >> >> Python version: >> 3.13.3 (main, Jun 16 2025, 18:15:32) [GCC 14.2.0] >> >> QGIS version: >> 3.99.0-Master 'Master', e717e3cd2b9 >> >> Python path: >> ['/home/ale/dev/QGIS/build/Desktop_QT6-Debug/output/python', >> '/home/ale/.local/share/QGIS/QGIS3/profiles/default/python', >> '/home/ale/.local/share/QGIS/QGIS3/profiles/default/python/plugins', >> '/home/ale/dev/QGIS/build/Desktop_QT6-Debug/output/python/plugins', >> '/home/ale/dev/gdal/desktop-install/local/lib/python3.13/dist-packages', >> '/home/ale/dev/gdal/autotest/pymod', '/usr/lib/python313.zip', >> '/usr/lib/python3.13', '/usr/lib/python3.13/lib-dynload', >> '/usr/local/lib/python3.13/dist-packages', '/usr/lib/python3/dist-packages'] >> >> >> I checked the QGIS/build/Desktop_QT6-Debug/output/python/qgis content and >> it looks legit. >> >> PyQt6 installation also looks ok, importing core works ok, only gui does >> not work. >> >> Any idea about what's going wrong? >> >> >> -- >> Alessandro Pasotti >> QCooperative: www.qcooperative.net >> ItOpen: www.itopen.it >> _______________________________________________ >> QGIS-Developer mailing list >> [email protected] >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >> > -- Alessandro Pasotti QCooperative: www.qcooperative.net ItOpen: www.itopen.it
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