autocomplete.py

# views.py
def get_pacientes(request):
	if request.GET:
		q = request.GET.get('term', '')
		pacientes = Paciente.objects.filter(nome__icontains = q)[:20]
		results = []
		for paciente in pacientes:
			paciente_json = {}
			paciente_json['id'] = paciente.id
			paciente_json['label'] = paciente.nome
			paciente_json['value'] = paciente.nome
			results.append(paciente_json)
		data = json.dumps(results)
	else:
		data = 'fail'
	mimetype = 'application/json'
	return HttpResponse(data, mimetype)

# template
<div class="form-group">
			<label for="{{ form_agenda.paciente.id_for_label }}" class="col-sm-2 control-label">Paciente</label>
			<div class="col-sm-10">
			<input type="type" name="paciente_autocomplete" id="paciente_autocomplete" class="form-control" value="" autofocus placeholder="Campo obrigatório.">
			<input type="hidden" name="paciente" id="id_paciente" value=""> <<<<---- aqui
				{#{{ form_agenda.paciente|attr:"autofocus"|add_class:"form-control" }}#}
			</div>
		</div>