Bug#971538: qgis: "Couldn't load SIP module." error message when started

[Félix Sipma]

Package: qgis
Version: 3.10.10+dfsg-1
Severity: normal

Hello,

When I start qgis, I get a window with the following error message:

    Couldn't load SIP module.
    Python support will be disabled.
    
    
    Traceback (most recent call last):
      File "", line 1, in 
      File "/usr/lib/python3/dist-packages/qgis/__init__.py", line 78, in 
        import qgis.gui
      File "/usr/lib/python3/dist-packages/qgis/gui/__init__.py", line 25, in 
        from qgis._gui import *
    ValueError: PyCapsule_GetPointer called with incorrect name
    
    
    Python version:
    3.8.6 (default, Sep 25 2020, 09:36:53) 
    [GCC 10.2.0]
    
    QGIS version:
    3.10.10-A Coruña 'A Coruña', exported
    
    Python path:
['/usr/share/qgis/python', '/home/gueux/.local/share/QGIS/QGIS3/profiles/default/python', '/home/gueux/.local/share/QGIS/QGIS3/profiles/default/python/plugins', '/usr/share/qgis/python/plugins', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/home/gueux/.local/lib/python3.8/site-packages', '/usr/local/lib/python3.8/dist-packages', '/usr/lib/python3/dist-packages', '/usr/lib/python3.8/dist-packages']

This does not prevent qgis from being started.

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (990, 'unstable'), (500, 'stable'), (100, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.8.0-2-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages qgis depends on:
ii  libc6                            2.31-3
ii  libgcc-s1                        10.2.0-13
ii  libgdal27                        3.1.3+dfsg-1
ii  libgeos-c1v5                     3.8.1-1
ii  libgsl25                         2.6+dfsg-2
ii  libqgis-analysis3.10.10          3.10.10+dfsg-1
ii  libqgis-app3.10.10               3.10.10+dfsg-1
ii  libqgis-core3.10.10              3.10.10+dfsg-1
ii  libqgis-gui3.10.10               3.10.10+dfsg-1
ii  libqt5core5a                     5.14.2+dfsg-6
ii  libqt5gui5                       5.14.2+dfsg-6
ii  libqt5keychain1                  0.10.0-1
ii  libqt5network5                   5.14.2+dfsg-6
ii  libqt5sql5                       5.14.2+dfsg-6
ii  libqt5webkit5                    5.212.0~alpha4-5
ii  libqt5widgets5                   5.14.2+dfsg-6
ii  libqt5xml5                       5.14.2+dfsg-6
ii  libstdc++6                       10.2.0-13
ii  ocl-icd-libopencl1 [libopencl1]  2.2.12-4
ii  python3-qgis                     3.10.10+dfsg-1
ii  qgis-common                      3.10.10+dfsg-1
ii  qgis-providers                   3.10.10+dfsg-1
ii  qt5-image-formats-plugins        5.14.2-2

Versions of packages qgis recommends:
ii  qgis-plugin-grass  3.10.10+dfsg-1

Versions of packages qgis suggests:
ii  gpsbabel  1.7.0+ds-5

-- no debconf information

-- 
Félix
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