From b09d443632d699954677b4b56d4249826a3f6524 Mon Sep 17 00:00:00 2001
From: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Date: Wed, 4 Sep 2019 16:16:56 +0100
Subject: [PATCH] Cleanup event auth type initialisation (#5975)

Very small code cleanup.
---
 changelog.d/5975.misc |  1 +
 synapse/event_auth.py | 10 +++++-----
 2 files changed, 6 insertions(+), 5 deletions(-)
 create mode 100644 changelog.d/5975.misc

diff --git a/changelog.d/5975.misc b/changelog.d/5975.misc
new file mode 100644
index 0000000000..5fcd229b89
--- /dev/null
+++ b/changelog.d/5975.misc
@@ -0,0 +1 @@
+Cleanup event auth type initialisation.
\ No newline at end of file
diff --git a/synapse/event_auth.py b/synapse/event_auth.py
index cd52e3f867..4e91df60e6 100644
--- a/synapse/event_auth.py
+++ b/synapse/event_auth.py
@@ -637,11 +637,11 @@ def auth_types_for_event(event):
     if event.type == EventTypes.Create:
         return []
 
-    auth_types = []
-
-    auth_types.append((EventTypes.PowerLevels, ""))
-    auth_types.append((EventTypes.Member, event.sender))
-    auth_types.append((EventTypes.Create, ""))
+    auth_types = [
+        (EventTypes.PowerLevels, ""),
+        (EventTypes.Member, event.sender),
+        (EventTypes.Create, ""),
+    ]
 
     if event.type == EventTypes.Member:
         membership = event.content["membership"]