#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Simple example to create cells
"""

from types import CellType


if __name__ == "__main__":
    cell_obj = CellType(1)
    assert cell_obj.cell_contents == 1

    cell_obj = CellType()
    try:
        a = cell_obj.cell_contents
    except ValueError:
        pass
    else:
        raise ValueError("No exception was raised when trying to access the "
                         "contents of an empty cell")