2 files changed, 9 insertions, 4 deletions
diff --git a/rest_framework/authtoken/models.py b/rest_framework/authtoken/models.py
index 8eac2cc4..167fa531 100644
--- a/rest_framework/authtoken/models.py
+++ b/rest_framework/authtoken/models.py
@@ -34,7 +34,7 @@ class Token(models.Model):
         return super(Token, self).save(*args, **kwargs)
 
     def generate_key(self):
-        return binascii.hexlify(os.urandom(20))
+        return binascii.hexlify(os.urandom(20)).decode()
 
     def __unicode__(self):
         return self.key
diff --git a/rest_framework/authtoken/serializers.py b/rest_framework/authtoken/serializers.py
index 60a3740e..99e99ae3 100644
--- a/rest_framework/authtoken/serializers.py
+++ b/rest_framework/authtoken/serializers.py
@@ -1,4 +1,6 @@
 from django.contrib.auth import authenticate
+from django.utils.translation import ugettext_lazy as _
+
 from rest_framework import serializers
 
 
@@ -15,10 +17,13 @@ class AuthTokenSerializer(serializers.Serializer):
 
             if user:
                 if not user.is_active:
-                    raise serializers.ValidationError('User account is disabled.')
+                    msg = _('User account is disabled.')
+                    raise serializers.ValidationError(msg)
                 attrs['user'] = user
                 return attrs
             else:
-                raise serializers.ValidationError('Unable to login with provided credentials.')
+                msg = _('Unable to login with provided credentials.')
+                raise serializers.ValidationError(msg)
         else:
-            raise serializers.ValidationError('Must include "username" and "password"')
+            msg = _('Must include "username" and "password"')
+            raise serializers.ValidationError(msg)