Clarify list/set/dict/tuple comprehensions and enforce via flake8 (#6957)

* commit '509e381af':
  Clarify list/set/dict/tuple comprehensions and enforce via flake8 (#6957)
  changelog
  Increase MAX_EVENTS_BEHIND for replication clients

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/util/frozenutils.py b/synapse/util/frozenutils.py

index 635b897d6c..f2ccd5e7c6 100644
--- a/synapse/util/frozenutils.py
+++ b/synapse/util/frozenutils.py
@@ -30,7 +30,7 @@ def freeze(o):
         return o
 
     try:
-        return tuple([freeze(i) for i in o])
+        return tuple(freeze(i) for i in o)
     except TypeError:
         pass