class LineSession:
    def __init__(self, line):
        self.line = line

    @property
    def incl_tax(self):
        return self.line.line_price_incl_tax

    @property
    def excl_tax(self):
        return self.line.line_price_excl_tax

    @property
    def currency(self):
        return self.line.price_currency
