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-rw-r--r--synapse/util/caches/treecache.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/util/caches/treecache.py b/synapse/util/caches/treecache.py
index a6df81ebff..4138931e7b 100644
--- a/synapse/util/caches/treecache.py
+++ b/synapse/util/caches/treecache.py
@@ -138,7 +138,6 @@ def iterate_tree_cache_entry(d):
     """
     if isinstance(d, TreeCacheNode):
         for value_d in d.values():
-            for value in iterate_tree_cache_entry(value_d):
-                yield value
+            yield from iterate_tree_cache_entry(value_d)
     else:
         yield d