def test_empty_cell(self):
        def f(): print(a)
        try:
            f.__closure__[0].cell_contents
        except __HOLE__:
            pass
        else:
            self.fail("shouldn't be able to read an empty cell")
        a = 12
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_funcattrs.py/FunctionPropertiesTest.test_empty_cell