When I mouse-over the sharing button in my sugar activity in the recent sugar-jhbuild, I get an error in Toolbutton.py:<br><br><div style="margin-left: 40px;"><span style="font-family: courier new,monospace;">in _show_palette
</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;">self._palette.popup()</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;">
AttributeError: 'NoneType' object has no attribute 'popup'<br></span></div><br>And when I mouse out, I get another error which traces back to _hide_palette... through to _is_mouse_out, line 91, where widget is set to None (and has no attribute get_pointer).
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