[SOLVED] Available system-level packages not working in Spyder

mtubarch · 2023-08-16 08:06:29

Hi everyone. I installed Spyder 5.4.4-1 from the repos. Opening it I get this message:

«You have missing dependencies!
# Mandatory:
pylint_venv >=3.0.2 : 3.0.1 (NOK)
pylsp >=1.7.4,<1.8.0 : 1.7.2 (NOK)
spyder_kernels >=2.4.4,<2.5.0 : 2.4.3 (NOK)»

Pacman doesn't tell me about any missing dependencies so I ignored this message.

I started working without activating a virtual environment because I wanted to use only available system-level packages, among which matplotlib.

The command

import matplotlib.pyplot as plt

produces this error:

ModuleNotFoundError: No module named 'matplotlib'

The error is reported even if I change the working directory.
I've used the same command in iPython 8.14.0 (activated through the terminal, without Spyder) and in the latter case it works and I don't get any errors.

What am I doing wrong? Thanks a lot in advance!

Last edited by mtubarch (2023-08-19 13:28:43)

Lone_Wolf · 2023-08-16 11:20:29

Those 3 'missing deps' are present, but in older versions then what is expected.

I installed spyder and started it from cli, no messages. However when I goto help > dependencies I do see the same 3 reports.
Is matplotlib detected by spyder under optional in that dependencies screen ?

mtubarch · 2023-08-16 14:05:56

No, matplotlib is not detected under optional in the dependencies screen (I found "sympy" as an another missing optional dependency, however no problem).

Lone_Wolf · 2023-08-17 07:04:11

python-lsp-server & python-spyder-kernels were already flagged out of date. I checked python-pylint-venv, found 3.0.2 was released and flagged it also.

Please post the output of

$ pacman -Qi spyder
$ pacman -Qikk python-mathplotlib

Last edited by Lone_Wolf (2023-08-17 07:05:17)

mtubarch · 2023-08-17 08:16:41

Name            : spyder
Version         : 5.4.4-1
Description     : The Scientific Python Development Environment
Architecture    : any
URL             : https://www.spyder-ide.org/
Licenses        : MIT
Groups          : None
Provides        : None
Depends On      : python-atomicwrites  python-chardet  python-cloudpickle  python-cookiecutter  python-diff-match-patch  python-intervaltree
                  ipython  python-jedi  python-jellyfish  python-jsonschema  python-keyring  jupyter-nbconvert  python-numpydoc
                  python-parso  python-pexpect  python-pickleshare  python-psutil  python-pygments  python-pylint  python-pylint-venv
                  python-pyqt5  python-pyqt5-webengine  python-lsp-server  python-lsp-black  python-pyls-spyder  python-pyxdg  python-pyzmq
                  python-qdarkstyle  python-qstylizer  python-qtawesome  python-qtconsole  python-qtpy  python-rtree  python-setuptools
                  python-sphinx  python-spyder-kernels  python-textdistance  python-three-merge  python-watchdog  autopep8  flake8
                  python-pycodestyle  python-pydocstyle  python-pyflakes  python-rope  yapf  python-whatthepatch
Optional Deps   : cython: run Cython files in the IPython Console [installed]
                  python-matplotlib: 2D/3D plotting in the IPython Console [installed]
                  python-numpy: support for N-dimensional arrays in the Variable Explorer [installed]
                  python-pandas: support for DataFrames and Series in the Variable Explorer [installed]
                  python-scipy: support for Matlab workspace in the Variable Explorer [installed]
                  python-sympy: symbolic mathematics in the IPython Console
Required By     : None
Optional For    : None
Conflicts With  : None
Replaces        : None
Installed Size  : 50.80 MiB
Packager        : Antonio Rojas <arojas@archlinux.org>
Build Date      : Mon 07 Aug 2023 07:10:01 PM CEST
Install Date    : Fri 11 Aug 2023 05:22:57 PM CEST
Install Reason  : Explicitly installed
Install Script  : No
Validated By    : Signature

Name            : python-matplotlib
Version         : 3.7.2-1
Description     : A python plotting library, making publication quality plots
Architecture    : x86_64
URL             : https://matplotlib.org
Licenses        : custom
Groups          : None
Provides        : None
Depends On      : freetype2  python-contourpy  python-cycler  python-dateutil  python-fonttools  python-kiwisolver  python-numpy
                  python-packaging  python-pillow  python-pyparsing  qhull
Optional Deps   : tk: Tk{Agg,Cairo} backends
                  pyside2: alternative for Qt5{Agg,Cairo} backends
                  pyside6: alternative for Qt6{Agg,Cairo} backends
                  python-pyqt5: Qt5{Agg,Cairo} backends [installed]
                  python-pyqt6: Qt6{Agg,Cairo} backends
                  python-gobject: for GTK{3,4}{Agg,Cairo} backend [installed]
                  python-wxpython: WX{Agg,Cairo} backend
                  python-cairo: {GTK{3,4},Qt{5,6},Tk,WX}Cairo backends [installed]
                  python-cairocffi: alternative for Cairo backends
                  python-tornado: WebAgg backend [installed]
                  ffmpeg: for saving movies [installed]
                  imagemagick: for saving animated gifs [installed]
                  ghostscript: usetex dependencies [installed]
                  texlive-binextra: usetex dependencies
                  texlive-fontsrecommended: usetex dependencies
                  texlive-latexrecommended: usetex usage with pdflatex
                  python-certifi: https support [installed]
Required By     : python-spyder-kernels
Optional For    : python-contourpy  python-fonttools  python-matplotlib-inline  python-pandas  python-scikit-learn  python-statsmodels
                  spyder  vtk
Conflicts With  : None
Replaces        : None
Installed Size  : 27.21 MiB
Packager        : Antonio Rojas <arojas@archlinux.org>
Build Date      : Sun 16 Jul 2023 02:25:15 PM CEST
Install Date    : Fri 21 Jul 2023 03:44:26 PM CEST
Install Reason  : Installed as a dependency for another package
Install Script  : No
Validated By    : Signature

python-matplotlib: 855 total files, 0 altered files

Lone_Wolf · 2023-08-18 08:57:36

The 3 to old deps should get solved when maintainers update the packages, it just will take time.

pacman python-spyder and python-matplotlib output looks fine.
Try creating a fresh test user and verify if spyder does detect matplotlib for that user.

mtubarch · 2023-08-18 11:27:56

I created the fresh test user: spyder detects matplotlib for that user.

Lone_Wolf · 2023-08-19 13:11:46

That indicates there's something wrong in your normal user setup that prevents spyder from detecting matplotlib .

Does removing ~/.config/spyder-py3 and ~/.local/share/Spyder for your normal user (forcing spyder to re-initialise it's setup) help ?

mtubarch · 2023-08-19 13:27:01

Yes it does: now spyder detects matplotlib for the normal user. I mark the thread as solved. Thank you very much for taking the time to help me.

Arch Linux

#1 2023-08-16 08:06:29

[SOLVED] Available system-level packages not working in Spyder

#2 2023-08-16 11:20:29

Re: [SOLVED] Available system-level packages not working in Spyder

#3 2023-08-16 14:05:56

Re: [SOLVED] Available system-level packages not working in Spyder

#4 2023-08-17 07:04:11

Re: [SOLVED] Available system-level packages not working in Spyder

#5 2023-08-17 08:16:41

Re: [SOLVED] Available system-level packages not working in Spyder

#6 2023-08-18 08:57:36

Re: [SOLVED] Available system-level packages not working in Spyder

#7 2023-08-18 11:27:56

Re: [SOLVED] Available system-level packages not working in Spyder

#8 2023-08-19 13:11:46

Re: [SOLVED] Available system-level packages not working in Spyder

#9 2023-08-19 13:27:01

Re: [SOLVED] Available system-level packages not working in Spyder

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