Fix missing import in federation_event handler. (#13431)

#13404 removed an import of `Optional` which was still needed due to #13413 added more usages.
matrix-org · Aug 1, 2022 · f8e7a94 · f8e7a94
1 parent 224d792
commit f8e7a94
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diff --git a/changelog.d/13431.misc b/changelog.d/13431.misc
@@ -0,0 +1 @@
+Refactor `_resolve_state_at_missing_prevs` to compute an `EventContext` instead.
diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py
@@ -23,6 +23,7 @@
     Dict,
     Iterable,
     List,
+    Optional,
     Sequence,
     Set,
     Tuple,