options = (
{'id': 'polarity', 'desc': 'Expected polarity',
'default': 'common-cathode', 'values': ('common-cathode', 'common-anode')},
options = (
{'id': 'polarity', 'desc': 'Expected polarity',
'default': 'common-cathode', 'values': ('common-cathode', 'common-anode')},