def __init__(self, precision=None, scale=None,
                 decimal_return_scale=None, asdecimal=True):
        self.precision = precision
        self.scale = scale
        self.decimal_return_scale = decimal_return_scale
        self.asdecimal = asdecimal
Creates labels which represent the tree level of each node when
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/sql/sqltypes.py/Numeric.__init__--crossover with--dataset/ETHPy150Open caseywstark/colab/colab/apps/mptt/forms.py/TreeNodeChoiceField.label_from_instance