[yt-users] inconsistent backend when using yt interactively

[Nathan Goldbaum]

Hi Jon,

This was a bug that got fixed a couple months ago:

https://github.com/yt-project/yt/commit/d357110d01f63b6e20066703e16dd979823fb445

If you switch to running yt from the git master branch you should be good
to go.

We're overdo for a bugfix release, which is blocked on me (or someone else
if they're feeling ambitious) figuring out how to adapt the script we used
to use to backport pull requests with hg/bitbucket to git/github.

Apologies for the trouble,

Nathan

On Thu, Dec 7, 2017 at 2:34 PM, Slavin, Jonathan <jslavin at cfa.harvard.edu>
wrote:

> Hi all,
>
> I've been using yt for some time, but mostly as a way to access AMR data
> generated by FLASH.  Just now I tried using the (new, I think) interactive
> plotting capabilities of yt by doing:
> yt.toggle_interactivity()
> ds = yt.load(hdf5_file)
> p2d = yt.plot_2d(ds,'temperature')
>
> When I toggle interactivity I get the message:
> Using matplotlib backend: Qt5Agg
>
> ​but when I try to generate the 2d plot I get a bunch of error messages
> ending with:
> ​/export/slavin/python/anaconda/lib/python2.7/site-
> packages/yt/visualization/base_plot_types.pyc in _set_canvas(self)
>     120                 mod = __import__('matplotlib.backends',
> globals(), locals(),
>     121                                  [backend_dict[key][0]], 0)
> --> 122                 submod = getattr(mod, backend_dict[key][0])
>     123                 FigureCanvas = getattr(submod,
> backend_dict[key][1])
>     124                 if len(backend_dict[key]) > 2:
>
> AttributeError: 'module' object has no attribute 'backend_gt5agg'
>
> ​So somehow the backend got changed to, or was assumed​ to be, gt5agg
> rather than qt5agg.  It's especially weird in that I don't think there even
> is a gt5agg backend.  Seems a mixture of qt5agg and gtkagg.  Any ideas?
>
> Jon
>
> --
> ________________________________________________________
> Jonathan D. Slavin                 Harvard-Smithsonian CfA
> jslavin at cfa.harvard.edu       60 Garden Street, MS 83
> phone: (617) 496-7981       Cambridge, MA 02138-1516
> cell: (781) 363-0035             USA
> ________________________________________________________
>
>
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