Fix bugs

taskapp/locale/ru/LC_MESSAGES/django.po

@@ -453,3 +453,6 @@ msgstr "с. %s. Тип задачи - %s. "
 
 msgid "Recipients"
 msgstr "Исполнители"
+
+msgid "Author does not specified"
+msgstr "Автор не указан"

taskapp/templates/taskapp/tasklist_finish.html

@@ -53,9 +53,13 @@
                 <td>{{ task.get_mode_display }}</td>
                 <td>{{ task.descr }}</td>
                 <td>
+                    {% if task.author %}
                     <a href="{% url 'acc_app:other_profile' task.author.pk %}" data-toggle="tooltip" title="{{ task.author.get_full_name }}">
                         {{ task.author.username }}
                     </a>
+                    {% else %}
+                    {% trans 'Author does not specified' %}
+                    {% endif %}
                 </td>
                 <td class="hidden-xs">{{ task.time_of_create|date:'d E H:i' }}</td>
 

taskapp/views.py

@@ -147,7 +147,7 @@ class TaskUpdateView(UpdateView):
                 log_text = _('Task has changed successfully')
             messages.add_message(self.request, messages.SUCCESS, log_text)
         except MultipleException as e:
-            for err in e:
+            for err in e.err_list:
                 messages.add_message(self.request, messages.WARNING, err)
         except TaskException as e:
             messages.add_message(self.request, messages.ERROR, e)