--- social_core/tests/models.py.orig	2020-07-17 23:12:18.100231136 +0800

+++ social_core/tests/models.py	2020-07-17 23:13:08.141543811 +0800

@@ -1,5 +1,7 @@

 import base64

+import six

+

 from ..storage import UserMixin, NonceMixin, AssociationMixin, \

                       CodeMixin, PartialMixin, BaseStorage

@@ -166,7 +168,10 @@

         if assoc is None:

             assoc = TestAssociation(server_url=server_url,

                                     handle=association.handle)

-        assoc.secret = base64.encodestring(association.secret)

+        if six.PY3:

+            assoc.secret = base64.encodebytes(association.secret)

+        else:

+            assoc.secret = base64.encodestring(association.secret)

         assoc.issued = association.issued

         assoc.lifetime = association.lifetime

         assoc.assoc_type = association.assoc_type