Index: python-qt4-4.8.3/pyuic/uic/uiparser.py
===================================================================
--- python-qt4-4.8.3.orig/pyuic/uic/uiparser.py	2011-01-23 10:08:28.000000000 +0000
+++ python-qt4-4.8.3/pyuic/uic/uiparser.py	2011-02-07 15:13:39.038141245 +0000
@@ -228,7 +228,14 @@
         elif isinstance(widget, QtGui.QAbstractButton):
             bg_i18n = self.wprops.getAttribute(elem, "buttonGroup")
             if bg_i18n is not None:
-                bg_name = bg_i18n.string
+                # This should be handled properly in case the problem arises
+                # elsewhere as well.
+                try:
+                    # We are compiling the .ui file.
+                    bg_name = bg_i18n.string
+                except AttributeError:
+                    # We are loading the .ui file.
+                    bg_name = bg_i18n
 
                 for bg in self.button_groups:
                     if bg.objectName() == bg_name: