ValueError: Cannot start core without candidate evidence

[baditaflorin]

ubuntu@ubuntu:/mo$ python3 bin/iepy_runner.py persoana_test persoana_test.csv
Loading candidate evidence from database...
Getting labels from DB
Sorting labels them by evidence
Labels conflict solving
Traceback (most recent call last):
File "bin/iepy_runner.py", line 184, in
run_from_command_line()
File "bin/iepy_runner.py", line 129, in run_from_command_line
iextractor = _construct_extractor(opts, relation, labeled_evidences, tuning_mode)
File "bin/iepy_runner.py", line 107, in _construct_extractor
relation, labeled_evidences, extractor_config, tradeoff=tuning_mode
File "/usr/local/lib/python3.4/dist-packages/iepy/extraction/active_learning_core.py", line 51, in init
self._setup_labeled_evidences(labeled_evidences)
File "/usr/local/lib/python3.4/dist-packages/iepy/extraction/active_learning_core.py", line 201, in _setup_labeled_evidences
raise ValueError("Cannot start core without candidate evidence")
ValueError: Cannot start core without candidate evidence
ubuntu@ubuntu:/mo$