undefined method `include?' for nil:NilClass

[sergeygalkin]

Got after submit patch.
channel_config.rb:13:in block in channels_to_notify': undefined methodinclude?' for nil:NilClass (NoMethodError)
from /home/gals/src/gerrit-slack/lib/channel_config.rb:11:in select' from /home/gals/src/gerrit-slack/lib/channel_config.rb:11:inchannels_to_notify'
from /home/gals/src/gerrit-slack/lib/gerrit_notifier.rb:92:in process_update' from /home/gals/src/gerrit-slack/lib/gerrit_notifier.rb:78:inblock in listen_for_updates'
from /home/gals/src/gerrit-slack/lib/gerrit_notifier.rb:76:in each' from /home/gals/src/gerrit-slack/lib/gerrit_notifier.rb:76:inlisten_for_updates'
from /home/gals/src/gerrit-slack/lib/gerrit_notifier.rb:11:in start!' from app.rb:3:in

'
Server crashed with exit code 1. Respawning..

channels.yaml
reviews:
project:
- devops