diff --git a/addons/anonymization/anonymization.py b/addons/anonymization/anonymization.py
index 5e2d5bf89da..448c7130894 100644
--- a/addons/anonymization/anonymization.py
+++ b/addons/anonymization/anonymization.py
@@ -4,14 +4,11 @@
 from lxml import etree
 import os
 import base64
-try:
-    import cPickle as pickle
-except ImportError:
-    import pickle
 import random
 import datetime
 from openerp.release import version_info
 from openerp.osv import fields, osv
+from openerp.tools import pickle
 from openerp.tools.translate import _
 from openerp.tools.safe_eval import safe_eval as eval
 
@@ -445,7 +442,7 @@ class ir_model_fields_anonymize_wizard(osv.osv_memory):
 
         # save pickle:
         fn = open(abs_filepath, 'w')
-        pickle.dump(data, fn, pickle.HIGHEST_PROTOCOL)
+        pickle.dump(data, fn, -1)
 
         # update the anonymization fields:
         values = {
diff --git a/addons/auth_oauth/res_users.py b/addons/auth_oauth/res_users.py
index f277a6c5fc0..86328a56da2 100644
--- a/addons/auth_oauth/res_users.py
+++ b/addons/auth_oauth/res_users.py
@@ -10,6 +10,9 @@ from openerp.addons.auth_signup.models.res_partner import SignupError
 from openerp.osv import osv, fields
 from openerp import SUPERUSER_ID
 
+from openerp.addons.base.res import res_users
+res_users.USER_PRIVATE_FIELDS.append('oauth_access_token')
+
 _logger = logging.getLogger(__name__)
 
 class res_users(osv.Model):
diff --git a/openerp/http.py b/openerp/http.py
index b34f7d72a90..80872340624 100644
--- a/openerp/http.py
+++ b/openerp/http.py
@@ -160,6 +160,8 @@ def redirect_with_hash(url, code=303):
     # See extensive test page at http://greenbytes.de/tech/tc/httpredirects/
     if request.httprequest.user_agent.browser in ('firefox',):
         return werkzeug.utils.redirect(url, code)
+    if urlparse.urlparse(url, scheme='http').scheme not in ('http', 'https'):
+        url = 'http://' + url
     url = url.replace("'", "%27").replace("<", "%3C")
     return "<html><head><script>window.location = '%s' + location.hash;</script></head></html>" % url
 
diff --git a/openerp/sql_db.py b/openerp/sql_db.py
index fe0502a4fa9..be7cf59d744 100644
--- a/openerp/sql_db.py
+++ b/openerp/sql_db.py
@@ -46,6 +46,19 @@ psycopg2.extensions.register_type(psycopg2.extensions.new_type((700, 701, 1700,)
 
 
 import tools
+
+from tools import parse_version as pv
+if pv(psycopg2.__version__) < pv('2.7'):
+    from psycopg2._psycopg import QuotedString
+    def adapt_string(adapted):
+        """Python implementation of psycopg/psycopg2#459 from v2.7"""
+        if '\x00' in adapted:
+            raise ValueError("A string literal cannot contain NUL (0x00) characters.")
+        return QuotedString(adapted)
+
+    psycopg2.extensions.register_adapter(str, adapt_string)
+    psycopg2.extensions.register_adapter(unicode, adapt_string)
+
 from tools.func import frame_codeinfo
 from datetime import datetime as mdt
 from datetime import timedelta