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authorAndrew Morgan <andrew@amorgan.xyz>2021-04-09 01:44:57 +0100
committerAndrew Morgan <andrew@amorgan.xyz>2021-04-09 01:44:57 +0100
commit0de0fe0fe72bb2e2e0044908b9b89fe489bdff5c (patch)
tree0c8a3541b2797e8055c8b171cde8d57fcba79227 /synapse/logging/opentracing.py
parentChangelog (diff)
parentBugbear: Add Mutable Parameter fixes (#9682) (diff)
downloadsynapse-0de0fe0fe72bb2e2e0044908b9b89fe489bdff5c.tar.xz
Merge branch 'develop' of github.com:matrix-org/synapse into anoa/allow_admins_delist_as_rooms
Diffstat (limited to 'synapse/logging/opentracing.py')
-rw-r--r--synapse/logging/opentracing.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/logging/opentracing.py b/synapse/logging/opentracing.py
index b8081f197e..bfe9136fd8 100644
--- a/synapse/logging/opentracing.py
+++ b/synapse/logging/opentracing.py
@@ -486,7 +486,7 @@ def start_active_span_from_request(
 def start_active_span_from_edu(
     edu_content,
     operation_name,
-    references=[],
+    references: Optional[list] = None,
     tags=None,
     start_time=None,
     ignore_active_span=False,
@@ -501,6 +501,7 @@ def start_active_span_from_edu(
 
         For the other args see opentracing.tracer
     """
+    references = references or []
 
     if opentracing is None:
         return noop_context_manager()