From 2f0180b09e2a2afeed418a5840ae6b4fffcb4be4 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 23 Mar 2016 16:29:46 +0000
Subject: [PATCH] Don't bother interning keys that are already interned

---
 synapse/storage/state.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 03eecbbbb6..02cefdff26 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -284,9 +284,7 @@ class StateStore(SQLBaseStore):
             desc="_get_state_group_for_events",
         )
 
-        defer.returnValue({
-            intern(row["event_id"].encode('ascii')): row["state_group"] for row in rows
-        })
+        defer.returnValue({row["event_id"]: row["state_group"] for row in rows})
 
     def _get_some_state_from_cache(self, group, types):
         """Checks if group is in cache. See `_get_state_for_groups`