def get_labels(self):
        return self._labels[:]
This is a helper used by UploadSet.save to provide lowercase extensions for
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/BabylMessage.get_labels--crossover with--dataset/ETHPy150Open jeffwidman/flask-uploads/flask_uploads.py/lowercase_ext