diff --git a/zerver/lib/rest.py b/zerver/lib/rest.py
index be9f25806c..14db988222 100644
--- a/zerver/lib/rest.py
+++ b/zerver/lib/rest.py
@@ -1,5 +1,5 @@
 from functools import wraps
-from typing import Any, Callable, Dict, Mapping, Set, Tuple, Union, cast
+from typing import Any, Callable, Dict, Set, Tuple, Union, cast
 
 from django.http import HttpRequest, HttpResponse
 from django.urls import path
@@ -199,7 +199,6 @@ def rest_dispatch(request: HttpRequest, **kwargs: Any) -> HttpResponse:
 
 def rest_path(
     route: str,
-    kwargs: Mapping[str, object] = {},
     **handlers: Union[Callable[..., HttpResponse], Tuple[Callable[..., HttpResponse], Set[str]]],
 ) -> URLPattern:
-    return path(route, rest_dispatch, {**kwargs, **handlers})
+    return path(route, rest_dispatch, handlers)
diff --git a/zerver/views/users.py b/zerver/views/users.py
index 4d07b49173..178743bcb8 100644
--- a/zerver/views/users.py
+++ b/zerver/views/users.py
@@ -324,6 +324,12 @@ def avatar(
     return redirect(url)
 
 
+def avatar_medium(
+    request: HttpRequest, maybe_user_profile: Union[UserProfile, AnonymousUser], email_or_id: str
+) -> HttpResponse:
+    return avatar(request, maybe_user_profile, email_or_id, medium=True)
+
+
 def get_stream_name(stream: Optional[Stream]) -> Optional[str]:
     if stream:
         return stream.name
diff --git a/zproject/urls.py b/zproject/urls.py
index 9959eca7cb..7afc9c52bd 100644
--- a/zproject/urls.py
+++ b/zproject/urls.py
@@ -195,6 +195,7 @@ from zerver.views.user_settings import (
 from zerver.views.users import (
     add_bot_backend,
     avatar,
+    avatar_medium,
     create_user_backend,
     deactivate_bot_backend,
     deactivate_user_backend,
@@ -725,8 +726,10 @@ urls += [
     ),
     rest_path(
         "avatar/<email_or_id>/medium",
-        {"medium": True},
-        GET=(avatar, {"override_api_url_scheme", "allow_anonymous_user_web"}),
+        GET=(
+            avatar_medium,
+            {"override_api_url_scheme", "allow_anonymous_user_web"},
+        ),
     ),
 ]