1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/types.py b/synapse/types.py
index b08ce90140..5f54b0bd9b 100644
--- a/synapse/types.py
+++ b/synapse/types.py
@@ -231,8 +231,8 @@ class DomainSpecificString(
     # Deny iteration because it will bite you if you try to create a singleton
     # set by:
     #    users = set(user)
-    def __iter__(self):
-        raise ValueError("Attempted to iterate a %s" % (type(self).__name__,))
+    # def __iter__(self):
+    #     raise ValueError("Attempted to iterate a %s" % (type(self).__name__,))
 
     # Because this class is a namedtuple of strings and booleans, it is deeply
     # immutable.