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authorErik Johnston <erik@matrix.org>2021-01-22 19:44:08 +0000
committerGitHub <noreply@github.com>2021-01-22 19:44:08 +0000
commit056327457ff471495741a539e99c840ed54afccd (patch)
tree5610162fa592de2044da062ba5a836d9329e2fa0 /synapse/util
parentBump psycopg2 version (#9204) (diff)
downloadsynapse-056327457ff471495741a539e99c840ed54afccd.tar.xz
Fix chain cover update to handle events with duplicate auth events (#9210)
Diffstat (limited to 'synapse/util')
-rw-r--r--synapse/util/iterutils.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/util/iterutils.py b/synapse/util/iterutils.py
index 6ef2b008a4..8d2411513f 100644
--- a/synapse/util/iterutils.py
+++ b/synapse/util/iterutils.py
@@ -78,7 +78,7 @@ def sorted_topologically(
         if node not in degree_map:
             continue
 
-        for edge in edges:
+        for edge in set(edges):
             if edge in degree_map:
                 degree_map[node] += 1