Faking an API call using mock object

TestApiConsumer.py

from api_consumer.api_consumer import ApiConsumer
import unittest
import unittest.mock
import json

class TestApiConsumer(unittest.TestCase):

    def setUp(self):
        self.ac = ApiConsumer()

    def test_get(self):
        # replace ApiConsumer's get method with a mock
        self.ac.get=unittest.mock.Mock(return_value=b'{\n  "userId": 1,\n  "id": 1,\n  "title": "sunt aut facere repellat provident occaecati excepturi optio reprehenderit",\n  "body": "quia et suscipit\\nsuscipit recusandae consequuntur expedita et cum\\nreprehenderit molestiae ut ut quas totam\\nnostrum rerum est autem sunt rem eveniet architecto"\n}')
        # you can incorrectly spell URL here to provie it is not called
        response = self.ac.get('http://jsonplaceholder.typicode.com/posts/1')
        print(response)
        my_dict = json.loads(response.decode("utf-8"))
        self.assertEqual(my_dict['id'], 1)

    def test_post(self):
        pass

if __name__ == '__main__':
    unittest.main()