this is stacktrace when I use: slug = AutoSlugField(populate_from='name') in my model
Environment: Request Method: POST Request URL: http://127.0.0.1:8000/admin/product/shop/add/ Django Version: 1.7.1 Python Version: 3.4.2 Installed Applications: ('django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'product') Installed Middleware: ('django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.auth.middleware.SessionAuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware') Traceback: File "e:\python\lib\site-packages\django\core\handlers\base.py" in get_response 111. response = wrapped_callback(request, *callback_args, **callback_kwargs) File "e:\python\lib\site-packages\django\contrib\admin\options.py" in wrapper 584. return self.admin_site.admin_view(view)(*args, **kwargs) File "e:\python\lib\site-packages\django\utils\decorators.py" in _wrapped_view 105. response = view_func(request, *args, **kwargs) File "e:\python\lib\site-packages\django\views\decorators\cache.py" in _wrapped_view_func 52. response = view_func(request, *args, **kwargs) File "e:\python\lib\site-packages\django\contrib\admin\sites.py" in inner 204. return view(request, *args, **kwargs) File "e:\python\lib\site-packages\django\contrib\admin\options.py" in add_view 1454. return self.changeform_view(request, None, form_url, extra_context) File "e:\python\lib\site-packages\django\utils\decorators.py" in _wrapper 29. return bound_func(*args, **kwargs) File "e:\python\lib\site-packages\django\utils\decorators.py" in _wrapped_view 105. response = view_func(request, *args, **kwargs) File "e:\python\lib\site-packages\django\utils\decorators.py" in bound_func 25. return func.__get__(self, type(self))(*args2, **kwargs2) File "e:\python\lib\site-packages\django\db\transaction.py" in inner 394. return func(*args, **kwargs) File "e:\python\lib\site-packages\django\contrib\admin\options.py" in changeform_view 1405. self.save_model(request, new_object, form, not add) File "e:\python\lib\site-packages\django\contrib\admin\options.py" in save_model 1046. obj.save() File "e:\python\lib\site-packages\django\db\models\base.py" in save 591. force_update=force_update, update_fields=update_fields) File "e:\python\lib\site-packages\django\db\models\base.py" in save_base 619. updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields) File "e:\python\lib\site-packages\django\db\models\base.py" in _save_table 700. result = self._do_insert(cls._base_manager, using, fields, update_pk, raw) File "e:\python\lib\site-packages\django\db\models\base.py" in _do_insert 733. using=using, raw=raw) File "e:\python\lib\site-packages\django\db\models\manager.py" in manager_method 92. return getattr(self.get_queryset(), name)(*args, **kwargs) File "e:\python\lib\site-packages\django\db\models\query.py" in _insert 921. return query.get_compiler(using=using).execute_sql(return_id) File "e:\python\lib\site-packages\django\db\models\sql\compiler.py" in execute_sql 920. cursor.execute(sql, params) File "e:\python\lib\site-packages\django\db\backends\utils.py" in execute 85. sql = self.db.ops.last_executed_query(self.cursor, sql, params) File "e:\python\lib\site-packages\mysql\connector\django\base.py" in last_executed_query 371. return cursor.statement File "e:\python\lib\site-packages\mysql\connector\django\base.py" in __getattr__ 147. return getattr(self.cursor, attr) File "e:\python\lib\site-packages\mysql\connector\cursor.py" in statement 858. return self._executed.strip() Exception Type: AttributeError at /admin/product/shop/add/ Exception Value: 'NoneType' object has no attribute 'strip' -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CA%2B6SYO33vgr8Y0VjS8GhWy5O5HxUJzakLxPAEvWbsREe5nEnsQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.