Convert `*StreamRow` classes to inner classes (#7116)

This just helps keep the rows closer to their streams, so that it's easier to
see what the format of each stream is.

1 files changed, 8 insertions, 8 deletions

diff --git a/synapse/replication/tcp/streams/federation.py b/synapse/replication/tcp/streams/federation.py

index 615f3dc9ac..f5f9336430 100644
--- a/synapse/replication/tcp/streams/federation.py
+++ b/synapse/replication/tcp/streams/federation.py
@@ -17,20 +17,20 @@ from collections import namedtuple
 
 from ._base import Stream
 
-FederationStreamRow = namedtuple(
-    "FederationStreamRow",
-    (
-        "type",  # str, the type of data as defined in the BaseFederationRows
-        "data",  # dict, serialization of a federation.send_queue.BaseFederationRow
-    ),
-)
-
 
 class FederationStream(Stream):
     """Data to be sent over federation. Only available when master has federation
     sending disabled.
     """
 
+    FederationStreamRow = namedtuple(
+        "FederationStreamRow",
+        (
+            "type",  # str, the type of data as defined in the BaseFederationRows
+            "data",  # dict, serialization of a federation.send_queue.BaseFederationRow
+        ),
+    )
+
     NAME = "federation"
     ROW_TYPE = FederationStreamRow