id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
29465	Admin._changeform_view incorrectly initializes ModelForm instance	Gert Steyn	nobody	"In django.contrib.admin.options.ModelAdmin._changeform_view:

{{{
form = ModelForm(request.POST, request.FILES, instance=obj)
}}}

this line should be:
{{{
form = ModelForm(data=request.POST, files=request.FILES, instance=obj)
}}}

data and files are not positional arguments, this causes issues if a form with additional kwargs is used.

"	Bug	new	contrib.admin	2.0	Normal				Unreviewed	0	0	0	0	0	0