

def __init__(self, name='files', extensions=DEFAULTS, default_dest=None):
    if (not name.isalnum()):
        raise ValueError('Name must be alphanumeric (no underscores)')
    self.name = name
    self.extensions = extensions
    self._config = None
    self.default_dest = default_dest

dataset/ETHPy150Open jeffwidman/flask-uploads/flask_uploads.py UploadSet.__init__/original