diff --git a/tests/storage/test_end_to_end_keys.py b/tests/storage/test_end_to_end_keys.py
index cd2bcd4ca3..c8ece15284 100644
--- a/tests/storage/test_end_to_end_keys.py
+++ b/tests/storage/test_end_to_end_keys.py
@@ -80,10 +80,10 @@ class EndToEndKeyStoreTestCase(tests.unittest.TestCase):
yield self.store.store_device("user2", "device1", None)
yield self.store.store_device("user2", "device2", None)
- yield self.store.set_e2e_device_keys("user1", "device1", now, 'json11')
- yield self.store.set_e2e_device_keys("user1", "device2", now, 'json12')
- yield self.store.set_e2e_device_keys("user2", "device1", now, 'json21')
- yield self.store.set_e2e_device_keys("user2", "device2", now, 'json22')
+ yield self.store.set_e2e_device_keys("user1", "device1", now, "json11")
+ yield self.store.set_e2e_device_keys("user1", "device2", now, "json12")
+ yield self.store.set_e2e_device_keys("user2", "device1", now, "json21")
+ yield self.store.set_e2e_device_keys("user2", "device2", now, "json22")
res = yield self.store.get_e2e_device_keys(
(("user1", "device1"), ("user2", "device2"))
|