diff --git a/qt/aqt/mediasrv.py b/qt/aqt/mediasrv.py
index 905e8dff9..bdca3dce3 100644
--- a/qt/aqt/mediasrv.py
+++ b/qt/aqt/mediasrv.py
@@ -720,6 +720,7 @@ post_handlers = {
     for handler in exposed_backend_list
 }
 
+
 def _extract_collection_post_request(path: str) -> DynamicRequest | NotFound:
     if not aqt.mw.col:
         return NotFound(message=f"collection not open, ignore request for {path}")
@@ -767,7 +768,7 @@ def _check_dynamic_request_permissions():
         "/_anki/i18nResources",
         "/_anki/congratsInfo",
         # TODO: Unsure about this
-        "/_anki/nextCardData"
+        "/_anki/nextCardData",
     ):
         pass
     else:
diff --git a/ts/routes/reviewer/reviewer.ts b/ts/routes/reviewer/reviewer.ts
index 7a3fe0e7b..c5d1f3b4d 100644
--- a/ts/routes/reviewer/reviewer.ts
+++ b/ts/routes/reviewer/reviewer.ts
@@ -1,6 +1,6 @@
 // Copyright: Ankitects Pty Ltd and contributors
 // License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
-import { CardAnswer, SchedulingStates } from "@generated/anki/scheduler_pb";
+import type { CardAnswer, SchedulingStates } from "@generated/anki/scheduler_pb";
 import { nextCardData } from "@generated/backend";
 import { bridgeCommand } from "@tslib/bridgecommand";
 import { writable } from "svelte/store";
@@ -8,20 +8,20 @@ import { writable } from "svelte/store";
 export function setupReviewer(iframe: HTMLIFrameElement) {
     const cardClass = writable("");
     let answer_html = "";
-    let states: SchedulingStates | undefined;
+    let _states: SchedulingStates | undefined = undefined;
 
     function updateHtml(htmlString) {
         iframe.contentWindow?.postMessage({ type: "html", value: htmlString }, "*");
     }
 
     async function showQuestion(answer: CardAnswer | null) {
-        let resp = await nextCardData({
+        const resp = await nextCardData({
             answer: answer || undefined,
         });
         // TODO: "Congratulation screen" logic
         const question = resp.nextCard?.front || "";
         answer_html = resp.nextCard?.back || "";
-        states = resp.nextCard?.states;
+        _states = resp.nextCard?.states;
         console.log({ resp });
         updateHtml(question);
     }