Use auto_attribs/native type hints for attrs classes. (#11692)

1 files changed, 3 insertions, 3 deletions

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

index 540adb8781..71584f3f74 100644
--- a/synapse/storage/keys.py
+++ b/synapse/storage/keys.py
@@ -21,7 +21,7 @@ from signedjson.types import VerifyKey
 logger = logging.getLogger(__name__)
 
 
-@attr.s(slots=True, frozen=True)
+@attr.s(slots=True, frozen=True, auto_attribs=True)
 class FetchKeyResult:
-    verify_key = attr.ib(type=VerifyKey)  # the key itself
-    valid_until_ts = attr.ib(type=int)  # how long we can use this key for
+    verify_key: VerifyKey  # the key itself
+    valid_until_ts: int  # how long we can use this key for