1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/storage/database.py b/synapse/storage/database.py
index 645a70934c..3be20c866a 100644
--- a/synapse/storage/database.py
+++ b/synapse/storage/database.py
@@ -16,6 +16,7 @@
 # limitations under the License.
 import logging
 import time
+from sys import intern
 from time import monotonic as monotonic_time
 from typing import (
     Any,
@@ -29,8 +30,6 @@ from typing import (
     TypeVar,
 )
 
-from six.moves import intern, range
-
 from prometheus_client import Histogram
 
 from twisted.enterprise import adbapi