From c945af8799671db8fdfc47acf6b286520fb08715 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 16 May 2018 10:52:06 +0100
Subject: [PATCH] Move and rename variable

---
 synapse/storage/events.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index f65e18c1e..22699cb68 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -1825,8 +1825,10 @@ class EventsStore(EventsWorkerStore):
         )
 
     def _purge_history_txn(
-        self, txn, room_id, token, delete_local_events,
+        self, txn, room_id, token_str, delete_local_events,
     ):
+        token = RoomStreamToken.parse(token_str)
+
         # Tables that should be pruned:
         #     event_auth
         #     event_backward_extremities
@@ -1855,8 +1857,6 @@ class EventsStore(EventsWorkerStore):
         # furthermore, we might already have the table from a previous (failed)
         # purge attempt, so let's drop the table first.
 
-        token = RoomStreamToken.parse(token)
-
         txn.execute("DROP TABLE IF EXISTS events_to_purge")
 
         txn.execute(