def __init__ ( self, annodb ):

    # database to which this annotation is registered
    self.annodb = annodb

    # metadata fields
    self.annidList = [] 
    self.statusList = [0] 
    self.confidenceList = [0.0] 
    self.authorList = [""]
    self.kvpairs = defaultdict(list)
Initialize the fields to zero or null
dataset/ETHPy150Open neurodata/ndstore/ocpca/batchAnnotation.py/BatchAnnotation.__init__