rolled back admin changes

app/routes.py

@@ -257,18 +257,6 @@ def admin_login():
         if user and check_password(user, password):
             flask_login.login_user(user)
             current_app.logger.info(f"Admin login successful: {user_name}")
-
-            token = retrieve_token(user_name)
-            if not token:
-                token = create_token(user_name)
-
-            next_url = request.args.get("next")
-            if next_url and next_url.startswith("/admin"):
-                session["next_url"] = next_url
-            else:
-                session["next_url"] = url_for("main.index")
-
-            return set_cookie(token)
         else:
             current_app.logger.warning(f"Failed admin login attempt: {user_name}")
             flash("Incorrect username or password. Please try again.", "error")
@@ -369,12 +357,15 @@ def serve_deck(course_folder, deck, token, path="index.html"):
     requested_file = os.path.join(deck_path, path)
     if os.path.isfile(requested_file):
         if path == deck_info["index_file"]:
-            current_app.logger.info(f"User {token.name} accessed deck {deck_info['deck_name']}")
+            current_app.logger.info(
+                f"User {token.name} accessed deck {deck_info['deck_name']}"
+            )
         return send_from_directory(deck_path, path)
 
     log_404("File missing within deck", deck, course_folder, path, token)
     abort(404)
 
+
 @main.route("/exports/<course_folder>/<deck>/<path>")
 @token_required
 def serve_export(deck, course_folder, path, token):