MultipleChoiceField uses its own field, but also uses a queryset.

def render_multiplechoicefield(field, attrs, choices=None):
	"""
	MultipleChoiceField uses its own field, but also uses a queryset.
	"""
	choices = format_html_join("", wrappers.CHOICE_TEMPLATE, get_choices(field))
	return wrappers.MULTIPLE_DROPDOWN_WRAPPER % {
		"name": field.html_name,
		"field": field,
		"choices": choices,
		"placeholder": attrs.get("placeholder") or get_placeholder_text(),
		"style": pad(attrs.get("_style", "")),
		"icon": format_html(wrappers.ICON_TEMPLATE, attrs.get("_dropdown_icon") or "dropdown"),
	}