sudo pip install git+https://github.com/CrossWaterBridge/django-grappelli-autocomplete-fk-edit-link.git@master#egg=django-grappelli-autocomplete-fk-edit-link

INSTALLED_APPS = (
	...
	'grappelli',
	'grappelli_autocomplete_fk_edit_link',
)

from grappelli_autocomplete_fk_edit_link import AutocompleteEditLinkAdminMixin

class MyAdmin(AutocompleteEditLinkAdminMixin, admin.ModelAdmin):
	raw_id_fields = ['related_object']
	autocomplete_lookup_fields = {
		'fk': ['related_object'],
	}