Deprecated torgb for removal in 3.0.
diff --git a/Lib/plat-irix5/torgb.py b/Lib/plat-irix5/torgb.py
index 54c86c4..024d1ea 100755
--- a/Lib/plat-irix5/torgb.py
+++ b/Lib/plat-irix5/torgb.py
@@ -5,6 +5,9 @@
 # Returned filename is either the input filename or a temporary filename;
 # in the latter case the caller must ensure that it is removed.
 # Other temporary files used are removed by the function.
+from warnings import warnpy3k
+warnpy3k("the torgb module has been removed in Python 3.0", stacklevel=2)
+del warnpy3k
 
 import os
 import tempfile