error in post data

teste_form_cycle.py

class CyclePostTest(TestCase):
    def setUp(self):
        user = User.objects.create_user('murilo', 'murilo@murilo.com', 'murilo')
        farm = Farm.objects.create(user=user, name='teste', full_area='123.45', uncultivated_area='0.00')
        self.client.login(username='murilo', password='murilo')
        data = dict(farm=farm, user=user, name='2014')
        self.resp = self.client.post('/ciclo/cadastrar/', data)

    def test_post(self):
        'Valid Post should redirect to /ciclo/1/.'
        self.assertEqual(302, self.resp.status_code)

    def test_save(self):
        'Valid POST must be saved'
        self.assertTrue(Cycle.objects.exists())

view_cycle.py

def create_cycle(request):
    form = RegCycleForm(user=request.user, data=request.POST)
    if not form.is_valid():
        messages.warning(request, 'Erro no cadastro do ciclo.')
        return render(request, 'gerenciador/reg_cycle.html', {'form': form })
    
    obj = form.save(commit=False)
    obj.user = request.user
    obj.save()
    messages.success(request, 'Ciclo cadastrado com sucesso !!!')
    return HttpResponseRedirect('/ciclo/%d' % obj.pk)