use 'python -u' to run python scripts

diff --git a/bin/tests/system/start.pl b/bin/tests/system/start.pl
index 55256c5cd8fa4598f86122633220ca5b80d3877e..71b3711c7d0ae1a94ca950840d520c457ad777d9 100644 (file)
--- a/bin/tests/system/start.pl
+++ b/bin/tests/system/start.pl
@@ -226,7 +226,7 @@ sub start_server {
        } elsif ($server =~ /^ans/) {
                $cleanup_files = "{ans.run}";
                 if (-e "$testdir/$server/ans.py") {
-                        $command = "$PYTHON ans.py 10.53.0.$' 5300";
+                        $command = "$PYTHON -u ans.py 10.53.0.$' 5300";
                 } elsif (-e "$testdir/$server/ans.pl") {
                         $command = "$PERL ans.pl";
                 } else {