Process Process-7: Traceback (most recent call last): File "/usr/local/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap self.run() File "/usr/local/lib/python3.6/multiprocessing/process.py", line 93, in run self._target(*self._args, **self._kwargs) File "./vectorizing/lang_detector.py", line 36, in detect_multiple lang = self.detect_single_file(file) File "./vectorizing/lang_detector.py", line 24, in detect_single_file lang = detect(article["text"]) File "./venv/lib/python3.6/site-packages/langdetect/detector_factory.py", line 130, in detect return detector.detect() File "./venv/lib/python3.6/site-packages/langdetect/detector.py", line 136, in detect probabilities = self.get_probabilities() File "./venv/lib/python3.6/site-packages/langdetect/detector.py", line 143, in get_probabilities self._detect_block() File "./venv/lib/python3.6/site-packages/langdetect/detector.py", line 150, in _detect_block raise LangDetectException(ErrorCode.CantDetectError, 'No features in text.') langdetect.lang_detect_exception.LangDetectException: No features in text.