From 9acf5edd7b11a69d03e5dbf36cbda0f19ad25636 Mon Sep 17 00:00:00 2001
From: Herbert Ho <herb@bycore.com>
Date: Fri, 9 Sep 2022 17:04:04 -0700
Subject: [PATCH] support matrix-synapse (> 1.57.1) no longer returning `end`
 for room_messages if no additional pages exist

---
 nio/responses.py | 4 ++--
 nio/schemas.py   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/nio/responses.py b/nio/responses.py
index e1fb6f22..20f1eb62 100644
--- a/nio/responses.py
+++ b/nio/responses.py
@@ -1204,7 +1204,7 @@ class RoomMessagesResponse(Response):
 
     chunk: List[Union[Event, BadEventType]] = field()
     start: str = field()
-    end: str = field()
+    end: str = field(default=None)
 
     @classmethod
     @verify(Schemas.room_messages, RoomMessagesError)
@@ -1216,7 +1216,7 @@ def from_dict(
         # type: (...) -> Union[RoomMessagesResponse, ErrorResponse]
         chunk: List[Union[Event, BadEventType]] = []
         chunk = SyncResponse._get_room_events(parsed_dict["chunk"])
-        return cls(room_id, chunk, parsed_dict["start"], parsed_dict["end"])
+        return cls(room_id, chunk, parsed_dict["start"], parsed_dict.get("end"))
 
 
 @dataclass
diff --git a/nio/schemas.py b/nio/schemas.py
index 1c654bf2..b5352487 100644
--- a/nio/schemas.py
+++ b/nio/schemas.py
@@ -1093,7 +1093,7 @@ class Schemas:
             "start": {"type": "string"},
             "end": {"type": "string"},
         },
-        "required": ["chunk", "start", "end"],
+        "required": ["chunk", "start"],
     }
 
     room_context = {