Sound_play not working
How to solve this problem (ROS Indigo)
$ rosrun sound_play say.py "hello world"
Saying: hello world Voice:
Saying: hello world
Voice: voice_kal_diphone Traceback (most recent call last):
File "/opt/ros/indigo/lib/sound_play/say.py", line 79, in module
print 'Volume: %s' % volume
NameError: name 'volume' is not defined
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