def test_cookies_are_readonly(self):
     session = ClientSession(loop=self.loop)
     with self.assertRaises(AttributeError):
         session.cookies = 123
     session.close()
 def test_cookies_are_readonly(self):
     session = ClientSession(loop=self.loop)
     with self.assertRaises(AttributeError):
         session.cookies = 123
     session.close()