diff options
| -rw-r--r-- | synapse/crypto/keyring.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index bc5bb5cdb1..1fea568eed 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -230,7 +230,9 @@ class Keyring(object): missing_keys = {} for group in group_id_to_group.values(): - missing_keys.setdefault(group.server_name, set()).union(group.key_ids) + missing_keys.setdefault(group.server_name, set()).update( + group.key_ids + ) for fn in key_fetch_fns: results = yield fn(missing_keys.items()) |