def __init__(self, column, datum, form):
        self.form = form
        super(FormsetRow, self).__init__(column, datum)
        if self.cells is not []:
            # We need to be able to handle empty rows, because there may
            # be extra empty forms in a formset. The original DataTable breaks
            # on this, because it sets self.cells to [], but later expects a
            # SortedDict. We just fill self.cells with empty Cells.
            cells = []
            for column in self.table.columns.values():
                cell = self.table._meta.cell_class(None, column, self)
                cells.append((column.name or column.auto, cell))
            self.cells = datastructures.SortedDict(cells)
dataset/ETHPy150Open CiscoSystems/avos/horizon/tables/formset.py/FormsetRow.__init__/operator `==` -> `is not`