Correct type hints for parse_string(s)_from_args. (#10137)

1 files changed, 4 insertions, 4 deletions

diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index 42e709ec14..f6be5f1020 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -14,7 +14,7 @@
 
 import logging
 import re
-from typing import TYPE_CHECKING, Awaitable, Callable, Dict, Optional
+from typing import TYPE_CHECKING, Awaitable, Callable, Dict, List, Optional
 
 from synapse.api.errors import Codes, LoginError, SynapseError
 from synapse.api.ratelimiting import Ratelimiter
@@ -25,6 +25,7 @@ from synapse.http import get_request_uri
 from synapse.http.server import HttpServer, finish_request
 from synapse.http.servlet import (
     RestServlet,
+    parse_bytes_from_args,
     parse_json_object_from_request,
     parse_string,
 )
@@ -437,9 +438,8 @@ class SsoRedirectServlet(RestServlet):
             finish_request(request)
             return
 
-        client_redirect_url = parse_string(
-            request, "redirectUrl", required=True, encoding=None
-        )
+        args = request.args  # type: Dict[bytes, List[bytes]]  # type: ignore
+        client_redirect_url = parse_bytes_from_args(args, "redirectUrl", required=True)
         sso_url = await self._sso_handler.handle_redirect_request(
             request,
             client_redirect_url,