Traceback (most recent call last):


 "/home/kearnsw/packages/anaconda3/lib/python3.6/runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "/home/kearnsw/packages/anaconda3/lib/python3.6/runpy.py", line 85, in _run_code

exec(code, run_globals)


 "/home/kearnsw/packages/allennlp/allennlp/run.py", line 18, in <module>

main(prog="python -m allennlp.run")


 "/home/kearnsw/packages/allennlp/allennlp/commands/__init__.py", line 81, in main

args.func(args)


 "/home/kearnsw/packages/allennlp/allennlp/commands/predict.py", line 182, in predict_inner

_run(predictor, input_file, output_file, args.batch_size, not args.silent, args.cuda_device)


 "/home/kearnsw/packages/allennlp/allennlp/commands/predict.py", line 153, in _run

_run_predictor(batch_json_data)


 "/home/kearnsw/packages/allennlp/allennlp/commands/predict.py", line 131, in _run_predictor

result = predictor.predict_json(batch_data[0], cuda_device)


 "/home/kearnsw/packages/allennlp/allennlp/service/predictors/predictor.py", line 36, in predict_json

outputs = self._model.forward_on_instance(instance, cuda_device)


 "/home/kearnsw/packages/allennlp/allennlp/models/model.py", line 120, in forward_on_instance

return self.forward_on_instances([instance], cuda_device)[0]


 "/home/kearnsw/packages/allennlp/allennlp/models/model.py", line 136, in forward_on_instances

dataset.index_instances(self.vocab)


 "/home/kearnsw/packages/allennlp/allennlp/data/dataset.py", line 163, in index_instances

instance.index_fields(vocab)


 "/home/kearnsw/packages/allennlp/allennlp/data/instance.py", line 50, in index_fields

field.index(vocab)


 "/home/kearnsw/packages/allennlp/allennlp/data/fields/label_field.py", line 83, in index

self._label_id = vocab.get_token_index(self.label, self._label_namespace)
# type: ignore


 "/home/kearnsw/packages/allennlp/allennlp/data/vocabulary.py", line 405, in get_token_index

return self._token_to_index[namespace][self._oov_token]
KeyError: '@@UNKNOWN@@'

```Traceback (most recent call last):


 "/usr/local/bin/mrq-worker", line 11, in <module>

load_entry_point('mrq', 'console_scripts', 'mrq-worker')()


 "/usr/local/src/mrq/mrq/bin/mrq_worker.py", line 53, in main

w.work()


 "/usr/local/src/mrq/mrq/worker.py", line 456, in work

self.work_loop(max_jobs=self.max_jobs, max_time=self.max_time)


 "/usr/local/src/mrq/mrq/worker.py", line 510, in work_loop

if self.config["scheduler"] and not self.greenlets["scheduler"]:
KeyError: 'scheduler'
