Merge pull request #8678 from matrix-org/rav/fix_frozen_events

Fix serialisation errors when using third-party event rules.

1 files changed, 3 insertions, 3 deletions

diff --git a/synapse/storage/databases/main/censor_events.py b/synapse/storage/databases/main/censor_events.py

index 849bd5ba7a..3e26d5ba87 100644
--- a/synapse/storage/databases/main/censor_events.py
+++ b/synapse/storage/databases/main/censor_events.py
@@ -22,7 +22,7 @@ from synapse.storage._base import SQLBaseStore
 from synapse.storage.database import DatabasePool
 from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
 from synapse.storage.databases.main.events_worker import EventsWorkerStore
-from synapse.util.frozenutils import frozendict_json_encoder
+from synapse.util import json_encoder
 
 if TYPE_CHECKING:
     from synapse.server import HomeServer
@@ -104,7 +104,7 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
                 and original_event.internal_metadata.is_redacted()
             ):
                 # Redaction was allowed
-                pruned_json = frozendict_json_encoder.encode(
+                pruned_json = json_encoder.encode(
                     prune_event_dict(
                         original_event.room_version, original_event.get_dict()
                     )
@@ -170,7 +170,7 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
                 return
 
             # Prune the event's dict then convert it to JSON.
-            pruned_json = frozendict_json_encoder.encode(
+            pruned_json = json_encoder.encode(
                 prune_event_dict(event.room_version, event.get_dict())
             )