Add the @python_2_unicode_compatible to all models. Closes issue #67

mayan/apps/lock_manager/models.py

@@ -1,12 +1,14 @@
 from __future__ import unicode_literals
 
 from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
 from .managers import LockManager
 from .settings import DEFAULT_LOCK_TIMEOUT
 
 
+@python_2_unicode_compatible
 class Lock(models.Model):
     creation_datetime = models.DateTimeField(verbose_name=_('Creation datetime'), auto_now_add=True)
     timeout = models.IntegerField(default=DEFAULT_LOCK_TIMEOUT, verbose_name=_('Timeout'))
@@ -14,7 +16,7 @@ class Lock(models.Model):
 
     objects = LockManager()
 
-    def __unicode__(self):
+    def __str__(self):
         return self.name
 
     def save(self, *args, **kwargs):