Traceback (most recent call last):
  File "/usr/local/lib/python3.5/dist-packages/twisted/internet/defer.py", line 654, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/usr/local/lib/python3.5/dist-packages/twisted/internet/defer.py", line 1475, in gotResult
    _inlineCallbacks(r, g, status)
  File "/usr/local/lib/python3.5/dist-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/usr/local/lib/python3.5/dist-packages/twisted/python/failure.py", line 512, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
--- <exception caught here> ---
  File "/usr/local/lib/python3.5/dist-packages/buildbot/process/buildstep.py", line 566, in startStep
    self.results = yield self.run()
  File "/usr/local/lib/python3.5/dist-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/usr/local/lib/python3.5/dist-packages/twisted/python/failure.py", line 512, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/usr/local/lib/python3.5/dist-packages/buildbot/steps/trigger.py", line 306, in run
    results = yield self.worstStatus(results, rclist, unimportant_brids)
  File "/usr/local/lib/python3.5/dist-packages/twisted/internet/defer.py", line 1418, in _inlineCallbacks
    result = g.send(result)
  File "/usr/local/lib/python3.5/dist-packages/buildbot/steps/trigger.py", line 200, in worstStatus
    if set(unimportant_brids).issuperset(set(brids_dict.values())):
builtins.UnboundLocalError: local variable 'brids_dict' referenced before assignment