[Matplotlib-users] qt backends, save dialog broken

[Neal Becker]

Fedora 26, mpl 3.5.2

I'm using mpl on a remote machine, via x2go.
Starting sometime recently, I'm unable to save files via the gui.  Click on
the save button should open a file chooser, but now does nothing.  This
appears to happen with various qt backends.  Choosing Tkagg works.
I can't test gtk.  For example choosing GTK3Cairo gives:
ModuleNotFoundError: No module named 'matplotlib.backends.backend_gtk3cairo'

Any ideas?
-- 
*Those who don't understand recursion are doomed to repeat it*
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