diff -Nur p9m4-0.5/my_setup.py p9m4-0.5.new/my_setup.py
--- p9m4-0.5/my_setup.py	2008-01-14 23:30:55.000000000 +0000
+++ p9m4-0.5.new/my_setup.py	2008-01-14 23:35:45.000000000 +0000
@@ -158,7 +158,9 @@
                     self.ed.SetStyle(start, end,
                                      wx.TextAttr('RED',
                                                  wx.Colour(200,200,255)))
-            error_dialog('%s\n%s' % (message,error if error else ''))
+                error_dialog('%s\n%s' % (message,error))
+            else:
+                error_dialog(message)
         else:
             frame = Text_frame(self, to_top(self).box_font,
                                'Error Output',
diff -Nur p9m4-0.5/partition_input.py p9m4-0.5.new/partition_input.py
--- p9m4-0.5/partition_input.py	2008-01-14 23:30:55.000000000 +0000
+++ p9m4-0.5.new/partition_input.py	2008-01-14 23:35:45.000000000 +0000
@@ -63,14 +63,23 @@
             m2 = r2.search(str, m1.end())
             while m2 and in_span(m2.start(), comments):
                 m2 = r2.search(str, m2.end())
-            match_end = m2.end() if m2 else len(str)
+            if m2:
+                match_end = m2.end()
+            else:
+                match_end = len(str)
             other   += str[other_start:m1.start()]
             if remove_patterns:
                 keep_start = m1.end()
-                keep_end = m2.start() if m2 else len(str)
+                if m2:
+                    keep_end = m2.start()
+                else:
+                    keep_end = len(str)
             else:
                 keep_start = m1.start()
-                keep_end = m2.end() if m2 else len(str)
+                if m2:
+                    keep_end = m2.end()
+                else:
+                    keep_end = len(str)
             matched += str[keep_start:keep_end]
             next = other_start = match_end
         else: