- channel_fields = ['channel_num', 'frequency', 'standard', 'component_id']
- channel_elem = spectrum_elem.add_instance('channel', channel, channel_fields)
+ channel_fields = ['channel_num',
+ 'frequency', 'standard', 'component_id']
+ channel_elem = spectrum_elem.add_instance(
+ 'channel', channel, channel_fields)