Merge remote-tracking branch 'origin/master' into 2.4.0

Conflicts:
	.travis.yml
	docs/api-guide/fields.md
	docs/api-guide/routers.md
	docs/topics/release-notes.md
	rest_framework/authentication.py
	rest_framework/serializers.py
	rest_framework/templatetags/rest_framework.py
	rest_framework/tests/test_authentication.py
	rest_framework/tests/test_filters.py
	rest_framework/tests/test_hyperlinkedserializers.py
	rest_framework/tests/test_serializer.py
	rest_framework/tests/test_testing.py
	rest_framework/utils/encoders.py
	tox.ini

1 files changed, 3 insertions, 4 deletions

diff --git a/rest_framework/authtoken/models.py b/rest_framework/authtoken/models.py
index 024f62bf..8eac2cc4 100644
--- a/rest_framework/authtoken/models.py
+++ b/rest_framework/authtoken/models.py
@@ -1,5 +1,5 @@
-import uuid
-import hmac
+import binascii
+import os
 from hashlib import sha1
 from django.conf import settings
 from django.db import models
@@ -34,8 +34,7 @@ class Token(models.Model):
         return super(Token, self).save(*args, **kwargs)
 
     def generate_key(self):
-        unique = uuid.uuid4()
-        return hmac.new(unique.bytes, digestmod=sha1).hexdigest()
+        return binascii.hexlify(os.urandom(20))
 
     def __unicode__(self):
         return self.key