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-rw-r--r--changelog.d/7019.misc1
-rw-r--r--synapse/storage/data_stores/main/state_deltas.py4
2 files changed, 4 insertions, 1 deletions
diff --git a/changelog.d/7019.misc b/changelog.d/7019.misc
new file mode 100644
index 0000000000..5130f4e8af
--- /dev/null
+++ b/changelog.d/7019.misc
@@ -0,0 +1 @@
+Port `synapse.handlers.presence` to async/await.
diff --git a/synapse/storage/data_stores/main/state_deltas.py b/synapse/storage/data_stores/main/state_deltas.py
index 12c982cb26..725e12507f 100644
--- a/synapse/storage/data_stores/main/state_deltas.py
+++ b/synapse/storage/data_stores/main/state_deltas.py
@@ -15,6 +15,8 @@
 
 import logging
 
+from twisted.internet import defer
+
 from synapse.storage._base import SQLBaseStore
 
 logger = logging.getLogger(__name__)
@@ -56,7 +58,7 @@ class StateDeltasStore(SQLBaseStore):
             # if the CSDs haven't changed between prev_stream_id and now, we
             # know for certain that they haven't changed between prev_stream_id and
             # max_stream_id.
-            return max_stream_id, []
+            return defer.succeed((max_stream_id, []))
 
         def get_current_state_deltas_txn(txn):
             # First we calculate the max stream id that will give us less than