1 files changed, 10 insertions, 3 deletions
diff --git a/synapse/rest/client/voip.py b/synapse/rest/client/voip.py
index f53020520d..9d46ed3af3 100644
--- a/synapse/rest/client/voip.py
+++ b/synapse/rest/client/voip.py
@@ -15,20 +15,27 @@
 import base64
 import hashlib
 import hmac
+from typing import TYPE_CHECKING, Tuple
 
+from synapse.http.server import HttpServer
 from synapse.http.servlet import RestServlet
+from synapse.http.site import SynapseRequest
 from synapse.rest.client._base import client_patterns
+from synapse.types import JsonDict
+
+if TYPE_CHECKING:
+    from synapse.server import HomeServer
 
 
 class VoipRestServlet(RestServlet):
     PATTERNS = client_patterns("/voip/turnServer$", v1=True)
 
-    def __init__(self, hs):
+    def __init__(self, hs: "HomeServer"):
         super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
 
-    async def on_GET(self, request):
+    async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
         requester = await self.auth.get_user_by_req(
             request, self.hs.config.turn_allow_guests
         )
@@ -69,5 +76,5 @@ class VoipRestServlet(RestServlet):
         )
 
 
-def register_servlets(hs, http_server):
+def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
     VoipRestServlet(hs).register(http_server)