Add argument.

common/djangoapps/terrain/stubs/lti.py

@@ -256,7 +256,7 @@ class StubLtiHandler(StubHttpRequestHandler):
         sha1 = hashlib.sha1()
         sha1.update(body)
         oauth_body_hash = unicode(base64.b64encode(sha1.digest()))  # pylint: disable=too-many-function-args
-        params = client.get_oauth_params()
+        params = client.get_oauth_params(None)
         params.append((u'oauth_body_hash', oauth_body_hash))
         mock_request = mock.Mock(
             uri=unicode(urllib.unquote(url)),

common/lib/xmodule/xmodule/lti_2_util.py

@@ -106,7 +106,7 @@ class LTI20ModuleMixin(object):
         log.debug("[LTI] oauth_body_hash = {}".format(oauth_body_hash))
         client_key, client_secret = self.get_client_key_secret()
         client = Client(client_key, client_secret)
-        params = client.get_oauth_params()
+        params = client.get_oauth_params(None)
         params.append((u'oauth_body_hash', oauth_body_hash))
         mock_request = mock.Mock(
             uri=unicode(urllib.unquote(request.url)),