Fixes squiggle lines

application/decorators.py

@@ -1,11 +1,12 @@
-from flask_login import current_user
+from typing import Callable, Any
+from flask_login import current_user  # type: ignore
 from functools import wraps
 from flask import redirect, url_for, flash
 
 
-def admin_required(f):
+def admin_required(f: Callable[..., Any]) -> Callable[..., Any]:
     @wraps(f)
-    def decorated_function(*args, **kwargs):
+    def decorated_function(*args: ..., **kwargs: ...):
         if not current_user.is_authenticated:
             return redirect(url_for("login"))
         if not current_user.is_admin: