NameError: name 'DataProcessor' is not defined

[eabalo]

I'm curious on this project and I am installing it within a container with all needed components. I have run into an error after entering a query at the query prompt. For awareness, I'm new to python and deep learning.

Query: Why do you error?
Traceback (most recent call last):
File "train_simple_example.py", line 71, in
tf.app.run()
File "/opt/conda/lib/python3.7/site-packages/tensorflow/python/platform/app.py", line 125, in run
_sys.exit(main(argv))
File "train_simple_example.py", line 65, in main
decoding.cmd_decode(model, vocab, persona=True)
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 319, in cmd_decode
cmd_listener, model, vocab, sys.stdout, mmi_component, persona, max_len, lambda_balance, num_turns, eos_token)
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 313, in interactive_decode
return decode(model, input_fn_src, vocab, outstream=(None if mmi_component else outstream), hooks=[hook], save_all=(mmi_component is not None))
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 104, in decode
for pred in predictions:
File "/opt/conda/lib/python3.7/site-packages/icecaps/estimators/abstract_icecaps_estimator.py", line 296, in predict
checkpoint_path=(checkpoint_path or self.best_ckpt), yield_single_examples=yield_single_examples)
File "/opt/conda/lib/python3.7/site-packages/tensorflow_estimator/python/estimator/estimator.py", line 627, in predict
hooks=all_hooks) as mon_sess:
File "/opt/conda/lib/python3.7/site-packages/tensorflow/python/training/monitored_session.py", line 934, in init
stop_grace_period_secs=stop_grace_period_secs)
File "/opt/conda/lib/python3.7/site-packages/tensorflow/python/training/monitored_session.py", line 648, in init
self._sess = _RecoverableSession(self._coordinated_creator)
File "/opt/conda/lib/python3.7/site-packages/tensorflow/python/training/monitored_session.py", line 1122, in init
_WrappedSession.init(self, self._create_session())
File "/opt/conda/lib/python3.7/site-packages/tensorflow/python/training/monitored_session.py", line 1127, in _create_session
return self._sess_creator.create_session()
File "/opt/conda/lib/python3.7/site-packages/tensorflow/python/training/monitored_session.py", line 812, in create_session
hook.after_create_session(self.tf_sess, self.coord)
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 249, in after_create_session
self._get_feed_dict())
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 226, in _get_feed_dict
features = self._input_fn(self, context)
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 309, in _fn_get_input
return convert_interactive_input(in_msg, context, vocab, pad_len=max_len)
File "/opt/conda/lib/python3.7/site-packages/icecaps/decoding/decoding.py", line 293, in convert_interactive_input
in_msg = AbstractDataProcessor.basic_preprocess(in_msg)
File "/opt/conda/lib/python3.7/site-packages/icecaps/data_io/abstract_data_processor.py", line 48, in basic_preprocess
line = DataProcessor.tokenize_punctuation(line)
NameError: name 'DataProcessor' is not defined