Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of bmgordon@google.com

crrev.com/c/837151 added audio support to cros_config.  reef-paladin is now failing with this error:

chromeos-config-0.0.1-r9: Traceback (most recent call last):
chromeos-config-0.0.1-r9:   File "/usr/lib/python-exec/python2.7/cros_config_schema", line 9, in <module>
chromeos-config-0.0.1-r9:     load_entry_point('cros-config-host==1', 'console_scripts', 'cros_config_schema')()
chromeos-config-0.0.1-r9:   File "/usr/lib64/python2.7/site-packages/cros_config_host/v2/cros_config_schema.py", line 292, in main
chromeos-config-0.0.1-r9:     Main(args.schema, args.config, args.output, args.filter)
chromeos-config-0.0.1-r9:   File "/usr/lib64/python2.7/site-packages/cros_config_host/v2/cros_config_schema.py", line 278, in Main
chromeos-config-0.0.1-r9:     json_transform = TransformConfig(config_stream.read())
chromeos-config-0.0.1-r9:   File "/usr/lib64/python2.7/site-packages/cros_config_host/v2/cros_config_schema.py", line 118, in TransformConfig
chromeos-config-0.0.1-r9:     audio['files'] = _GetAudioFiles(model)
chromeos-config-0.0.1-r9:   File "/usr/lib64/python2.7/site-packages/cros_config_host/v2/cros_config_schema.py", line 138, in _GetAudioFiles
chromeos-config-0.0.1-r9:     card = model.audio.main.card
chromeos-config-0.0.1-r9: AttributeError: 'Config' object has no attribute 'card'

I can't tell if the config itself is in error or the validator.

Builders failed on: 
- reef-paladin: 
  https://luci-milo.appspot.com/buildbot/chromeos/reef-paladin/4589