--- /usr/lib64/python2.7/site-packages/smart/uncompress.py	2010-05-07 16:51:48.000000000 +0100
+++ /tmp/uncompress.py	2013-03-29 23:27:09.000000000 +0000
@@ -54,10 +54,10 @@
         return None
 
     def uncompress(self, localpath):
-        raise Error, _("Unsupported file type")
+        raise Error, _("Unsupported file type " + str(localpath))
 
     def open(self, localpath):
-        raise Error, _("Unsupported file type")
+        raise Error, _("Unsupported file type " + str(localpath))
 
 class BZ2Handler(UncompressorHandler):
 
@@ -120,8 +120,11 @@
         except EOFError, e:
             raise Error, ("%s\nPossibly corrupted channel file.") % e
 
-Uncompressor.addHandler(LZMAHandler)
+    def open(self, localpath):
+        import lzma
+        return lzma.LZMAFile(localpath)
 
+Uncompressor.addHandler(LZMAHandler)
 
 class XZHandler(UncompressorHandler):