From 1c449873e424adc721dbbdf96b176009caa8a1c7 Mon Sep 17 00:00:00 2001 From: "Roger A. Light" Date: Tue, 21 Oct 2014 15:20:01 +0100 Subject: [PATCH] Display help on error. Change-Id: I379a635360c99eb79bc9bb660e4c3b2659003c95 --- examples/mqtt_clear_retain.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/examples/mqtt_clear_retain.py b/examples/mqtt_clear_retain.py index 13f5754..dc35f67 100755 --- a/examples/mqtt_clear_retain.py +++ b/examples/mqtt_clear_retain.py @@ -94,7 +94,8 @@ def main(argv): verbose = True if topic == None: - print("You must provide a topic to clear.") + print("You must provide a topic to clear.\n") + print_usage() sys.exit(2) mqttc = mqtt.Client(client_id) -- 2.39.5