[Qgis-user] Couldn't load SIP module

[Frank Sokolic]

Hi Mike,

This Python error on the Flatpak version of QGIS (I'm using Ubuntu 20.10 
Groovy Gorilla) was preventing me from using the Processing Toolbox so I 
had to ditch QGIS flatpak. I couldn't get QGIS 3.16 working either as 
there wasn't/isn't a repository available for Groovy and I kept on 
getting dependency problems when using the QGIS Focal repository on 
Groovy. The only version of QGIS that I've been able to get working 
properly on Ubuntu is the development version QGIS 3.17 Master.

Regards, Frank.

On 2020/11/04 14:07, Mike Flannigan wrote:
>
> See my write-up below on the SIP module loading problem.
> I am no longer OK.  Apparently the TimeShift back
> only temporarily fixes the problem.  So every plugin
> available to me is this short list:
> http://www.mflan.com/temp/plugins.jpg
>
> All I can figure is most QGIS users don't use plugins
> (not likely) or this problem is affecting less than
> 10% of QGIS users.  Otherwise I suspect this would be the
> biggest issue discussed on the list.  I don't even know
> what to work on - QGIS or Python.
>
> I am on QGIS version 3.14.16-Pi.  I guess I will go forward -
> to ver 3.16.0 at first, then backwards if necessary.  I would
> welcome a 3.16.0 user who does not have this problem to
> state that on this list.  I welcome any suggestions.
>
> I am on Linux Mint 19.3.
>
>
> Mike
>
>
>
> On 10/29/20 3:40 PM, Mike Flannigan wrote:
>>
>> I have been using QGIS a lot recently.  All of a sudden
>> it gives "Couldn't load SIP module", which is a Python
>> problem with QGIS that has been around for many years.
>>
>> I TimeShifted back about 3 days and the problem is solved
>> for now, but I just wanted to get this recorded.
>>
>> Here are a few write-ups on the problem, some very recent:
>>
>>
>> https://github.com/qgis/QGIS/issues/38310
>>
>> https://github.com/qgis/QGIS/issues/30895
>>
>> https://gis.stackexchange.com/questions/306595/qgis-3-4-couldnt-load-sip-module-python-support-will-be-disabled-on-windows-10 
>>
>>
>>
>>
>> The error message I receive is:
>>
>>
>> Couldn't load SIP module.
>> Python support will be disabled.
>>
>>
>> Traceback (most recent call last):
>>   File "", line 1, in
>>   File "/app/share/qgis/python/qgis/__init__.py", line 70, in
>>     from qgis.PyQt import QtCore
>>   File "/app/share/qgis/python/qgis/PyQt/QtCore.py", line 24, in
>>     from PyQt5.QtCore import *
>> ModuleNotFoundError: No module named 'PyQt5.sip'
>>
>>
>> Python version:
>> 3.8.5 (default, Nov 10 2011, 15:00:00)
>> [GCC 10.2.0]
>>
>> QGIS version:
>> 3.14.16-Pi 'Pi', a235a149
>>
>> Python path:
>> ['/app/share/qgis/python', 
>> '/home/mike/.var/app/org.qgis.qgis/data/QGIS/QGIS3/profiles/default/python', 
>> '/home/mike/.var/app/org.qgis.qgis/data/QGIS/QGIS3/profiles/default/python/plugins', 
>> '/app/share/qgis/python/plugins', '/usr/lib/python38.zip', 
>> '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', 
>> '/usr/lib/python3.8/site-packages', 
>> '/app/lib/python3.8/site-packages', 
>> '/app/lib/python3.8/site-packages/numpy-1.19.2-py3.8-linux-x86_64.egg', 
>> '/app/lib/python3.8/site-packages/MarkupSafe-1.1.1-py3.8-linux-x86_64.egg'] 
>>
>>
>>
>>
>>
>> Ignoring the error message allows QGIS to start, but then
>> you don't have the "Lat Lon Tools" plugin, and a few other things.
>>
>> My Python versions appear to be ver 2.7, ver 3.6, ver 3.7.
>>
>> Again, I am OK for now, but I hope this issue is resolved soon.
>>
>>
>>
>> Mike
>>
>>
>
>
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