no, pyqt5 is not a dependency for matplotlib. this looks like a conda
packaging issue.
Side note: the sourceforge mailing list is deprecated. Please use the
python.org version instead (you'll have to re-register).
Ben Root
On Thu, Feb 2, 2017 at 11:43 AM, Osborn, Raymond <rosb...@anl.gov> wrote:
> I just created a new conda environment with Matplotlib included, and it
> duly installed matplotlib: 2.0.0-np111py27_0. It installed PyQt5 by
> default, whereas I need PyQt4, but when I installed PyQt4 (conda install
> pyqt=4), it automatically downgraded Matplotlib to 1.5.1.
> --------
> The following packages will be DOWNGRADED due to dependency conflicts:
>
> matplotlib: 2.0.0-np111py27_0 --> 1.5.1-np111py27_0
> pyqt: 5.6.0-py27_2 --> 4.11.4-py27_4
> qt: 5.6.2-0 --> 4.8.7-4
> --------
> Is PyQt5 really a dependency for Matplotlib v2? I have been testing
> release candidate versions of Matplotlib v2 without any problem. This will
> cause headaches to my users who want the latest features.
>
> Ray
> --
> Ray Osborn, Senior Scientist
> Materials Science Division
> Argonne National Laboratory
> Argonne, IL 60439, USA
> Phone: +1 (630) 252-9011
> Email: rosb...@anl.gov
>
>
>
> ------------------------------------------------------------
> ------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, SlashDot.org! http://sdm.link/slashdot
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, SlashDot.org! http://sdm.link/slashdot
_______________________________________________
Matplotlib-devel mailing list
Matplotlib-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
