def test_flattened_chain(self):
lst = [0, 1, [2, 3], [4, [5, 6]], [7]]
flattened_lst = range(8)
self.assertEquals(flattened_lst, list(flattened_chain(lst)))
def _make_commands(self):
command_tree = self._get_commands()
return command_tree, list(flattened_chain(command_tree))
