bots/xkcd: Fix wrong package name passed to mock.patch.
@@ -39,7 +39,7 @@ class TestXkcdBot(BotTestCase):
"notation. (??)](https://imgs.xkcd.com/comics/chess_notation.png)")
with self.mock_http_conversation('test_random'):
# Mock randint function.
- with patch('bots.xkcd.xkcd.random.randint') as randint:
+ with patch('zulip_bots.bots.xkcd.xkcd.random.randint') as randint:
mock_rand_value = mock.MagicMock()
mock_rand_value.return_value = 1800
randint.return_value = mock_rand_value.return_value
