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Diffstat (limited to 'synapse/replication/http/_base.py')
| -rw-r--r-- | synapse/replication/http/_base.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/replication/http/_base.py b/synapse/replication/http/_base.py index 908f3f1db7..c20d9c7e9d 100644 --- a/synapse/replication/http/_base.py +++ b/synapse/replication/http/_base.py @@ -426,6 +426,8 @@ class ReplicationEndpoint(metaclass=abc.ABCMeta): code, response = await self.response_cache.wrap( txn_id, self._handle_request, request, content, **kwargs ) + # Take a copy so we don't mutate things in the cache. + response = dict(response) else: # The `@cancellable` decorator may be applied to `_handle_request`. But we # told `HttpServer.register_paths` that our handler is `_check_auth_and_handle`, |