A ticket cannot depends on itself or on a ticket already depending on it
A ticket cannot depends on itself or on a ticket already depending on it

django-helpdesk/django-helpdesk,rossp/django-helpdesk,gwasser/django-helpdesk,django-helpdesk/django-helpdesk,django-helpdesk/django-helpdesk,gwasser/django-helpdesk,gwasser/django-helpdesk,gwasser/django-helpdesk,django-helpdesk/django-helpdesk,rossp/django-helpdesk,rossp/django-helpdesk,rossp/django-helpdesk