Fix json response

games/views.py

@@ -171,9 +171,11 @@ def trigger_rom_update(request):
     except FileNotFoundError:
         return HttpResponse(
             json.dumps({"success": False, "msg": "Skyscraper is not installed"}),
-            mimetype="application/json",
+            status=400,
+            content_type="application/json",
         )
     return HttpResponse(
         json.dumps({"success": True, "msg": "Library scan started"}),
-        mimetype="application/json",
+        status=200,
+        content_type="application/json",
     )