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<p>thanks chris for your help. I tried your suggestion, I was able to install Qgis but interestingly as I launched it I got immediatly the error message
</p>
<p>Couldn't load plugin 'crayfish' due to an error when calling its initGui() method
AttributeError: module 'pyqtgraph' has no attribute 'GraphicsWindow'
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/qgis/utils.py", line 448, in startPlugin
plugins[packageName].initGui()
File "/home/kermarrec/.local/share/QGIS/QGIS3/profiles/default/python/plugins/crayfish/plugin.py", line 96, in initGui
w = CrayfishPlotWidget(self.plot_dock_widget)
File "/home/kermarrec/.local/share/QGIS/QGIS3/profiles/default/python/plugins/crayfish/gui/plot_widget.py", line 186, in __init__
self.gw = pyqtgraph.GraphicsWindow()
AttributeError: module 'pyqtgraph' has no attribute 'GraphicsWindow'
Python version: 3.8.10 (default, Nov 22 2023, 10:22:35) [GCC 9.4.0]
QGIS version: 3.26.3-Buenos Aires Buenos Aires, 65e4edfdad
Python Path:
/usr/share/qgis/python
/home/kermarrec/.local/share/QGIS/QGIS3/profiles/default/python
/home/kermarrec/.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
/usr/local/lib/python3.8/dist-packages
/usr/lib/python3/dist-packages
/home/kermarrec/.local/share/QGIS/QGIS3/profiles/default/python
/home/kermarrec/.local/share/gis4wrf/python38/local/lib/python3.8/site-packages
/home/kermarrec/.local/share/gis4wrf/python38/lib/python3/site-packages
/home/kermarrec/.local/share/gis4wrf/python38/lib/python3.8/site-packages
.
/home/kermarrec/.local/share/QGIS/QGIS3/profiles/default/python/plugins/vrtbuilderplugin
/home/kermarrec/.local/share/QGIS/QGIS3/profiles/default/python/plugins/vrtbuilderplugin/vrtbuilder</p>
<p>I have no idea what I could do to solve the problem.</p>
<p>gael.
</p>
<p>
<style type="text/css">p, li { white-space: pre-wrap; }</style></p>
<div class="moz-cite-prefix">On 12/12/23 18:36, chris hermansen
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CACc2_6_UMhZR3oW_ETc-JqxaG-6Sj_P5miPSsdkDzkPyT4AL-A@mail.gmail.com">
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<div dir="ltr">
<div>
<div dir="ltr">Gael and list,<br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Dec 12, 2023 at
8:03 AM Gael Kermarrec via QGIS-User <<a
href="mailto:qgis-user@lists.osgeo.org"
moz-do-not-send="true" class="moz-txt-link-freetext">qgis-user@lists.osgeo.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear
members,<br>
<br>
I am trying to install Qgis from Ubuntu 20.04 but
everytime I make sudo <br>
apt install qgis qgis-plugin-grass I become the following:<br>
<br>
<br>
The following packages contain unsatisfied dependencies:<br>
qgis: Depends on python3-qgis (= 1:3.22.16+32focal) but <br>
1:3.26.3+32focal-ubuntugis needs to be installed<br>
Depends on qgis-providers (= 1:3.22.16+32focal) but <br>
1:3.26.3+32focal-ubuntugis needs to be installed<br>
Depends on qgis-common (= 1:3.22.16+32focal) but <br>
1:3.26.3+32focal-ubuntugis needs to be installed<br>
qgis-plugin-grass: Depends on qgis-plugin-grass-common (=
<br>
1:3.22.16+32focal) but 1:3.26.3+32focal-ubuntugis needs to
be installed<br>
Depends on grass782<br>
E: Unable to correct problems, defective packages are in
"keep in the <br>
current state" mode.<br>
<br>
I have no idea what I should do to make it works. Maybe
somebody had the <br>
same problem, I would be grateful to get some support as I
would like to <br>
work with QGis.<br>
<br>
</blockquote>
<div>It looks as though you might be trying to work with the
ubuntugis PPA. If that's so, maybe you should consider
trying the suggested methodology on the QGIS site here:</div>
<div><br>
</div>
<div><a
href="https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu"
moz-do-not-send="true" class="moz-txt-link-freetext">https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu</a><br>
<br>
If you just want to correct the unsatisfied dependencies,
it's probably worth trying your command again with the
"-f" option:</div>
<div><br>
</div>
<div> apt install -f qgis qgis-plugin-grass</div>
</div>
<br clear="all">
</div>
<div>In any event, I suggest you read this useful mini-tutorial
on fixing unsatisfied dependencies.</div>
<div><br>
</div>
<div><a
href="https://askubuntu.com/questions/140246/how-do-i-resolve-unmet-dependencies-after-adding-a-ppa"
moz-do-not-send="true" class="moz-txt-link-freetext">https://askubuntu.com/questions/140246/how-do-i-resolve-unmet-dependencies-after-adding-a-ppa</a></div>
<div><span class="gmail_signature_prefix">-- </span><br>
<div dir="ltr" class="gmail_signature">
<div dir="ltr">Chris Hermansen · clhermansen "at" gmail
"dot" com<br>
<br>
C'est ma façon de parler.</div>
</div>
</div>
</div>
</blockquote>
<pre class="moz-signature" cols="72">--
-------********---------
Dr. Gael Kermarrec
Institute for meteorology and climatology
Leibniz Universität Hannover
Herrenhäuser Str. 2
D-30419 Hannover
Tel: +49 511 762 2679
Email: <a class="moz-txt-link-abbreviated" href="mailto:kermarrec@meteo.uni-hannover.de">kermarrec@meteo.uni-hannover.de</a>
Web: <a class="moz-txt-link-abbreviated" href="http://www.meteo.uni-hannover.de">www.meteo.uni-hannover.de</a></pre>
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