GNU bug report logs - #41738
Jupyter propagates two different versions of ipython

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: paul <goodoldpaul <at> autistici.org>
Subject: bug#41738: closed (Re: [bug#41889] [PATCH] gnu: jupyter: Fix
 python-ipython conflict that prevented installation)
Date: Tue, 16 Jun 2020 17:38:02 +0000

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Your bug report

#41738: Jupyter propagates two different versions of ipython

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 41738 <at> debbugs.gnu.org.

-- 
41738: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41738
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: Edouard Klein <edk <at> beaver-labs.com>
Cc: 41889-done <at> debbugs.gnu.org, 41730-done <at> debbugs.gnu.org,
 41738-done <at> debbugs.gnu.org
Subject: Re: [bug#41889] [PATCH] gnu: jupyter: Fix python-ipython conflict
 that prevented installation
Date: Tue, 16 Jun 2020 19:37:04 +0200

Hi Edouard,

thank you for providing a fix.  I think it’s too complicated, though.
Using prompt-toolkit-2-instead-of-prompt-toolkit everywhere does not
seem like an elegant solution.

I pushed a different fix with commit 7146c8c75d.

-- 
Ricardo

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From: paul <goodoldpaul <at> autistici.org>
To: bug-guix <at> gnu.org
Subject: Jupyter propagates two different versions of ipython
Date: Sat, 6 Jun 2020 17:52:35 +0200

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Hi Guix,

On Guix System

  guix ecab53c
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: ecab53c320b1584a08f811b17a92bd9a50a50ff3

it's impossible to install jupyter in a new profile because it tries to 
propagate two different versions of python-ipython, you should be able 
to reproduce with:

$ guix package -p /tmp/tmp-profile -i jupyter
The following package will be installed:
   jupyter 1.0.0

guix package: error: profile contains conflicting entries for python-ipython
guix package: error:   first entry: python-ipython <at> 7.9.0 
/gnu/store/z0yarar134q6sziqncjdlfg2h2w5b2yh-python-ipython-7.9.0
guix package: error:    ... propagated from python-ipywidgets <at> 7.5.1
guix package: error:    ... propagated from jupyter <at> 1.0.0
guix package: error:   second entry: python-ipython <at> 7.9.0 
/gnu/store/avmg5jd7kccchxadsd9c7zq0p3shlk3w-python-ipython-7.9.0
guix package: error:    ... propagated from python-qtconsole <at> 4.4.3
guix package: error:    ... propagated from jupyter <at> 1.0.0
hint: You cannot have two different versions or variants of `jupyter' in 
the same profile.


The conflict seems to be caused because:

- 
/gnu/store/avmg5jd7kccchxadsd9c7zq0p3shlk3w-python-ipython-7.9.0depends 
on python-prompt-toolkit <at> 3.0.5

- 
/gnu/store/z0yarar134q6sziqncjdlfg2h2w5b2yh-python-ipython-7.9.0depends 
on python-prompt-toolkit <at> 2.0.7


This change seems to be introduced with 
32ba87c14fd5e5b54d95211cd9a159d568ce7c67 , which updates 
python-prompt-toolkit to 3.0.5 and to prevent python-ipywidgets, 
python-jupyter-console and python-widgetsnbextension tests from crashing 
builds them with python-prompt-toolkit <at> 2.0.7.


Giacomo

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