From 0fb5b34b20f4432ac0ee444507f13a5ba4a35b84 Mon Sep 17 00:00:00 2001
From: Eduardo Calil <dudusaid@gmail.com>
Date: Mon, 15 May 2017 16:51:56 -0300
Subject: [PATCH] Bug fix

---
 sapl/materia/views.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index b93d81289..006e2cd88 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -7,7 +7,7 @@ from crispy_forms.layout import HTML
 from django.contrib import messages
 from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
-from django.core.exceptions import ObjectDoesNotExist
+from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
 from django.core.mail import send_mail
 from django.core.urlresolvers import reverse
 from django.http import HttpResponse, JsonResponse
@@ -1355,6 +1355,11 @@ class AcompanhamentoMateriaView(CreateView):
                 acompanhar.usuario = usuario.username
                 acompanhar.confirmado = False
                 acompanhar.save()
+            except MultipleObjectsReturned:
+                AcompanhamentoMateria.objects.filter(
+                    email=email,
+                    materia=materia,
+                    hash=hash_txt).first()
 
                 do_envia_email_confirmacao(request, materia, email)