def __init__()

in train/CustomModel.py [0:0]


    def __init__(self, name='MultiLabelPrecision', **kwargs):       
        super(MultiLabelPrecision, self).__init__(name=name, **kwargs)
        self.tp = tf.Variable(0, dtype = 'float32')
        self.trues = tf.Variable(0, dtype = 'float32')