diff --git a/q2/main.py b/q2/main.py
index de69d89..996e9e1 100644
--- a/q2/main.py
+++ b/q2/main.py
@@ -35,7 +35,7 @@ class UserManager:
                 return True
         return False
 
-    def list_users(self) -> list:
+    def list_users(self):
         return self.users.copy()
 
     def save_to_json(self, file_path: str):