Add additional type hints to the storage module. (#8980)

1 files changed, 3 insertions, 2 deletions

diff --git a/synapse/storage/keys.py b/synapse/storage/keys.py

index afd10f7bae..c03871f393 100644
--- a/synapse/storage/keys.py
+++ b/synapse/storage/keys.py
@@ -17,11 +17,12 @@
 import logging
 
 import attr
+from signedjson.types import VerifyKey
 
 logger = logging.getLogger(__name__)
 
 
 @attr.s(slots=True, frozen=True)
 class FetchKeyResult:
-    verify_key = attr.ib()  # VerifyKey: the key itself
-    valid_until_ts = attr.ib()  # int: how long we can use this key for
+    verify_key = attr.ib(type=VerifyKey)  # the key itself
+    valid_until_ts = attr.ib(type=int)  # how long we can use this key for