Fix unicode bug for non-ASCII chars

coin/members/models.py

@@ -69,7 +69,7 @@ class Member(models.Model):
     resign_date = models.DateField(null=True, blank=True)
 
     def __unicode__(self):
-        return self.first_name + ' ' + self.last_name
+        return u'%s %s' % (self.first_name, self.last_name)
 
 
 class CryptoKey(models.Model):
@@ -81,7 +81,7 @@ class CryptoKey(models.Model):
     member = models.ForeignKey('Member')
 
     def __unicode__(self):
-        return self.member.__str__()
+        return u'Clé %s de %s' % (self.type, self.member)
 
 
 class MembershipFee(models.Model):