Index: /trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- /trunk/ippScripts/scripts/diff_skycell.pl	(revision 20337)
+++ /trunk/ippScripts/scripts/diff_skycell.pl	(revision 20338)
@@ -214,16 +214,16 @@
 
     my $outputStatsReal = $ipprc->file_resolve($outputStats);
-    &my_die("Couldn't find expected output file: $outputStats", $diff_id, $PS_EXIT_SYS_ERROR) unless unless -f $outputStatsReal;
+    &my_die("Couldn't find expected output file: $outputStats", $diff_id, $PS_EXIT_SYS_ERROR) unless -f $outputStatsReal;
 
     # measure chip stats
     $command = "$ppStatsFromMetadata $outputStatsReal - DIFF_SKYCELL";
     ( $success, $error_code, $full_buf, $stdout_buf, $stderr_buf ) =
-	run(command => $command, verbose => $verbose);
+        run(command => $command, verbose => $verbose);
     unless ($success) {
-	$error_code = (($error_code >> 8) or $PS_EXIT_PROG_ERROR);
-	&my_die("Unable to perform ppStatsFromMetadata: $error_code", $diff_id, $error_code);
+        $error_code = (($error_code >> 8) or $PS_EXIT_PROG_ERROR);
+        &my_die("Unable to perform ppStatsFromMetadata: $error_code", $diff_id, $error_code);
     }
     foreach my $line (@$stdout_buf) {
-	$cmdflags .= " $line";
+        $cmdflags .= " $line";
     }
     chomp $cmdflags;