Errors with JRNN and RNNG

[rlevy]

Example call and error message (starting from the Traceback line it's the same error for RNNG):

$ lm-zoo get-surprisals JRNN metamorphosis.txt
Tokenizer v3
Language: en
/opt/bin/get_surprisals: line 12:    13 Killed                  python ${JRNN_ROOT}/eval_test_google.py --pbtxt ${JRNN_ROOT}/graph-2016-09-10.pbtxt --ckpt '/opt/lm_1b/ckpt-*' --vocab_file ${JRNN_ROOT}/vocab-2016-09-10.txt --mode surprisal --input_file /tmp/input_tokenized --output_file -
Traceback (most recent call last):
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/bin/lm-zoo", line 6, in <module>
    lm_zoo()
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/lm_zoo/commands.py", line 47, in __call__
    raise e
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/lm_zoo/commands.py", line 40, in __call__
    return self.main(*args, **kwargs)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/click/decorators.py", line 73, in new_func
    return ctx.invoke(f, obj, *args, **kwargs)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/lm_zoo/commands.py", line 200, in get_surprisals
    ret = Z.get_surprisals(model, sentences, backend=state.requested_backend)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/lm_zoo/__init__.py", line 116, in get_surprisals
    ret = pd.read_csv(StringIO(out_value), sep="\t").set_index(["sentence_id", "token_id"])
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/pandas/io/parsers.py", line 676, in parser_f
    return _read(filepath_or_buffer, kwds)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/pandas/io/parsers.py", line 448, in _read
    parser = TextFileReader(fp_or_buf, **kwds)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/pandas/io/parsers.py", line 880, in __init__
    self._make_engine(self.engine)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/pandas/io/parsers.py", line 1114, in _make_engine
    self._engine = CParserWrapper(self.f, **self.options)
  File "/Users/rlevy/opt/miniconda3/envs/lm-zoo/lib/python3.7/site-packages/pandas/io/parsers.py", line 1891, in __init__
    self._reader = parsers.TextReader(src, **kwds)
  File "pandas/_libs/parsers.pyx", line 532, in pandas._libs.parsers.TextReader.__cinit__
pandas.errors.EmptyDataError: No columns to parse from file