fixing

src/streamlit_app.py

@@ -29,23 +29,26 @@ if 'users_config' not in st.session_state:
 
 def create_default_users():
     """Create default users configuration"""
+    # Hash passwords using the correct syntax
+    hashed_passwords = stauth.Hasher(['admin123', 'teacher123', 'student123']).generate()
+    
     default_users = {
         'credentials': {
             'usernames': {
                 'admin': {
                     'email': 'admin@example.com',
                     'name': 'Administrator',
-                    'password': stauth.Hasher(['admin123']).generate()[0]
+                    'password': hashed_passwords[0]
                 },
                 'teacher': {
                     'email': 'teacher@example.com',
                     'name': 'Teacher',
-                    'password': stauth.Hasher(['teacher123']).generate()[0]
+                    'password': hashed_passwords[1]
                 },
                 'student': {
                     'email': 'student@example.com',
                     'name': 'Student',
-                    'password': stauth.Hasher(['student123']).generate()[0]
+                    'password': hashed_passwords[2]
                 }
             }
         }