def _is_staff_for_article(article, user):
 return (user.is_staff or user.is_superuser or user_is_article_course_staff(user, article))

def _is_staff_for_article ( article , user ) : return ( user . is_staff or user . is_superuser or user_is_article_course_staff ( user , article ) )
is the user staff for articles course wiki? .