fix: fixes

Author: rustyconover

src/query_farm_server_base/server.py

@@ -245,7 +245,7 @@ def action_list_schemas(
         *,
         context: CallContext[AccountType, TokenType],
         parameters: action_decoders.ListSchemasParameters,
-    ) -> Iterator[bytes]:
+    ) -> list[bytes]:
         self._unimplemented_action("list_schemas")
 
     @log_action()