Remove the rgbimg module.  It has been deprecated since Python 2.5.
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 0045151..cba70ed 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1337,7 +1337,6 @@
                 self.expected.add('test_timeout')
 
             if sys.maxint == 9223372036854775807L:
-                self.expected.add('test_rgbimg')
                 self.expected.add('test_imageop')
 
             if not sys.platform in ("mac", "darwin"):
@@ -1352,6 +1351,11 @@
                 for skip in WIN_ONLY:
                     self.expected.add(skip)
 
+            if sys.platform != 'irix':
+                IRIX_ONLY =["test_imageop"]
+                for skip in IRIX_ONLY:
+                    self.expected.add(skip)
+
             self.valid = True
 
     def isvalid(self):