self._layout.pack_start(self._loadingBanner.toplevel, False, False)
self._layout.pack_start(self._buttonLayout, True, True)
self._layout.pack_start(self._separator, False, True)
self._layout.pack_start(self._loadingBanner.toplevel, False, False)
self._layout.pack_start(self._buttonLayout, True, True)
self._layout.pack_start(self._separator, False, True)