def test_func_and(self):
    code = 'def f(x):\n'
    code += ('   x and x\n' * self.N)
    self.check_stack_size(code)
def test_func_and(self):
    code = 'def f(x):\n'
    code += ('   x and x\n' * self.N)
    self.check_stack_size(code)