Re: [matplotlib-devel] PyQt4 in Matplotlib v2.0.0

[Benjamin R. <ben...@gm...>]

no, pyqt5 is not a dependency for matplotlib. this looks like a conda
packaging issue.

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Ben Root


On Thu, Feb 2, 2017 at 11:43 AM, Osborn, Raymond <ro...@an...> 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: RO...@an...
>
>
>
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