Fix-up assertions about last stream token in push (#9020)

The last stream token is always known and we do not need to handle none.

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/push/__init__.py b/synapse/push/__init__.py

index 9e7ac149a1..f4f7ec96f8 100644
--- a/synapse/push/__init__.py
+++ b/synapse/push/__init__.py
@@ -40,7 +40,7 @@ class PusherConfig:
     ts = attr.ib(type=int)
     lang = attr.ib(type=Optional[str])
     data = attr.ib(type=Optional[JsonDict])
-    last_stream_ordering = attr.ib(type=Optional[int])
+    last_stream_ordering = attr.ib(type=int)
     last_success = attr.ib(type=Optional[int])
     failing_since = attr.ib(type=Optional[int])