refactor render_change_form context to map for readability
refactor render_change_form context to map for readability

to me, it makes more sense to read map() instead of a list comprehension

goldblatt/django-object-actions,dukebody/django-object-actions,dukebody/django-object-actions,crccheck/django-object-actions,Cuuuurzel/django-object-actions,goldblatt/django-object-actions,crccheck/django-object-actions,Cuuuurzel/django-object-actions