1 files changed, 1 insertions, 0 deletions

diff --git a/tests/storage/test_keys.py b/tests/storage/test_keys.py

index 0be790d8f8..3a3d002782 100644
--- a/tests/storage/test_keys.py
+++ b/tests/storage/test_keys.py
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 import signedjson.key
+
 from twisted.internet import defer
 
 import tests.unittest