$ powerflow-indicator --amps
0
Traceback (most recent call last):
File "/usr/local/bin/powerflow-indicator", line 175, in <module>
main()
File "/usr/local/bin/powerflow-indicator", line 171, in main
indicator = LockKeyStatusIndicator(args.amps)
File "/usr/local/bin/powerflow-indicator", line 59, in __init__
self.update_label()
File "/usr/local/bin/powerflow-indicator", line 154, in update_label
label_text = self.get_power_info()[1]
File "/usr/local/bin/powerflow-indicator", line 141, in get_power_info