bots: Mark --message/-m argument to zulip_bot_output.py as required.
MODIFY
zulip_bots/zulip_bots/zulip_bot_output.py
zulip_bots/zulip_bots/zulip_bot_output.py
@@ -34,6 +34,7 @@ def parse_args():
help='the name or path an existing bot to run')
parser.add_argument('--message', '-m',
+ required=True,
action='store',
help='the message content to send to the bot')

bots: Mark --message/-m argument to zulip_bot_output.py as required.