Hi again Tiago!

I tried editing the Homebrew formula for librsvg to obtain the latest
version and enable introspection, and sure enough I can now produce an
interactive graph!  Hooray!  I've posted the issue on the Homebrew github
page that you referred.  

BUT: now I have a different problem.  In my beautiful interactive graphs,
the second node I select infallibly triggers a fatal error that kills the
kernel.  Here it is:


/usr/local/lib/python2.7/site-packages/graph_tool/draw/gtk_draw.py:493:
Warning: g_object_ref: assertion 'G_IS_OBJECT (object)' failed
  icon = self.render_icon(Gtk.STOCK_EXECUTE, Gtk.IconSize.BUTTON)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
/usr/local/lib/python2.7/site-packages/graph_tool/draw/gtk_draw.pyc in
draw(self, da, cr)
    492         if self.surface_callback is not None:
    493             icon = self.render_icon(Gtk.STOCK_EXECUTE,
Gtk.IconSize.BUTTON)
--> 494             Gdk.cairo_set_source_pixbuf(cr, icon, 10, 10)
    495             cr.paint()
    496 

TypeError: Argument 1 does not allow None as a value

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
/usr/local/lib/python2.7/site-packages/graph_tool/draw/gtk_draw.pyc in
draw(self, da, cr)
    492         if self.surface_callback is not None:
    493             icon = self.render_icon(Gtk.STOCK_EXECUTE,
Gtk.IconSize.BUTTON)
--> 494             Gdk.cairo_set_source_pixbuf(cr, icon, 10, 10)
    495             cr.paint()
    496 

TypeError: Argument 1 does not allow None as a value


Any ideas?  Thanks!  



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