Add type hints to additional servlet functions (#10437)

Improves type hints for:

* parse_{boolean,integer}
* parse_{boolean,integer}_from_args
* parse_json_{value,object}_from_request

And fixes any incorrect calls that resulted from unknown types.

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py

index 5d309a534c..25ba52c624 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -754,7 +754,7 @@ class PublicRoomListRestServlet(TransactionRestServlet):
             if server:
                 raise e
 
-        limit = parse_integer(request, "limit", 0)
+        limit: Optional[int] = parse_integer(request, "limit", 0)
         since_token = parse_string(request, "since")
 
         if limit == 0: