diff --git a/synapse/config/key.py b/synapse/config/key.py
index d1382ad9ac..279c47bb48 100644
--- a/synapse/config/key.py
+++ b/synapse/config/key.py
@@ -13,21 +13,24 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from ._base import Config, ConfigError
+import hashlib
+import logging
+import os
-from synapse.util.stringutils import random_string
from signedjson.key import (
- generate_signing_key, is_signing_algorithm_supported,
- decode_signing_key_base64, decode_verify_key_bytes,
- read_signing_keys, write_signing_keys, NACL_ED25519
+ NACL_ED25519,
+ decode_signing_key_base64,
+ decode_verify_key_bytes,
+ generate_signing_key,
+ is_signing_algorithm_supported,
+ read_signing_keys,
+ write_signing_keys,
)
from unpaddedbase64 import decode_base64
-from synapse.util.stringutils import random_string_with_symbols
-import os
-import hashlib
-import logging
+from synapse.util.stringutils import random_string, random_string_with_symbols
+from ._base import Config, ConfigError
logger = logging.getLogger(__name__)
|