https://luci-logdog.appspot.com/v/?s=chromeos%2Fbb%2Fchromeos%2Fmaster-paladin%2F14188%2F%2B%2Frecipes%2Fsteps%2FSlaveFailureSummary%2F0%2Fstdout


05:08:54: ERROR: <type 'exceptions.AttributeError'>: 'StageFailure' object has no attribute 'get'
Traceback (most recent call last):
  File "/b/cbuild/internal_master/chromite/lib/failures_lib.py", line 176, in wrapped_functor
    return functor(*args, **kwargs)
  File "/b/cbuild/internal_master/chromite/cbuildbot/stages/report_stages.py", line 316, in PerformStage
    failures_by_build = cros_build_lib.GroupByKey(slave_failures, 'build_id')
  File "/b/cbuild/internal_master/chromite/lib/cros_build_lib.py", line 994, in GroupByKey
    split_dict.setdefault(entry.get(key), []).append(entry)
AttributeError: 'StageFailure' object has no attribute 'get'