cmdline: Improve message about thread list being needed by -p/--priority

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tuna-cmd.py b/tuna-cmd.py
index b98ba82..7d6aefa 100755
--- a/tuna-cmd.py
+++ b/tuna-cmd.py
@@ -472,7 +472,7 @@ def main():
 			tuna.include_cpus(cpu_list, get_nr_cpus())
 		elif o in ("-p", "--priority"):
 			if not thread_list:
-				print "tuna: --priority " + _("requires a thread list!")
+				print ("tuna: %s " % o) + _("requires a thread list!")
 				sys.exit(2)
 			tuna.threads_set_priority(thread_list, a, affect_children)
 		elif o in ("-P", "--show_threads"):