fixed prototype of get_fields and get_readonly_fields
fixed prototype of get_fields and get_readonly_fields

divio/django-shop,awesto/django-shop,nimbis/django-shop,khchine5/django-shop,divio/django-shop,khchine5/django-shop,nimbis/django-shop,nimbis/django-shop,khchine5/django-shop,jrief/django-shop,divio/django-shop,jrief/django-shop,nimbis/django-shop,jrief/django-shop,awesto/django-shop,awesto/django-shop,khchine5/django-shop,jrief/django-shop