Fix Chamado 493294 (osTicket) (#2345)

* Fix Chamado #493294

* Troca de .get por .filter

* Fix Chamado #493294

* Fix Chamado #493294

sapl/materia/models.py

@@ -2,7 +2,7 @@
 from django.contrib.auth.models import Group
 from django.contrib.contenttypes.fields import GenericRelation
 from django.contrib.contenttypes.models import ContentType
-from django.core.exceptions import ObjectDoesNotExist
+from django.core.exceptions import ObjectDoesNotExist,MultipleObjectsReturned
 from django.db import models
 from django.db.models.functions import Concat
 from django.template import defaultfilters
@@ -261,17 +261,14 @@ class MateriaLegislativa(models.Model):
         '''
         from sapl.protocoloadm.models import Protocolo
         if self.ano and self.numero_protocolo:
-            try:
-                protocolo = Protocolo.objects.get(
+            protocolo = Protocolo.objects.filter(
                 ano=self.ano,
                 numero=self.numero_protocolo)
-                if protocolo.timestamp:
-                    return protocolo.timestamp.date()
+            if protocolo.first().timestamp:
+                return protocolo.first().timestamp.date()
             else:
                 return protocolo.data        
-            except ObjectDoesNotExist:
-                pass
-
+        else:
             return ''           
 
     def delete(self, using=None, keep_parents=False):