diff --git a/plenum/test/view_change/test_client_req_during_view_change.py b/plenum/test/view_change/test_client_req_during_view_change.py
index feaed08208..228f9c36bc 100644
--- a/plenum/test/view_change/test_client_req_during_view_change.py
+++ b/plenum/test/view_change/test_client_req_during_view_change.py
@@ -69,4 +69,4 @@ def test_client_msg_discard_in_view_change_with_request(test_node):
 
 def check_nack_msg(req_key, reason, to_client):
     assert "Client request is discarded since view " \
-           "change is in progress" == reason
+"change is in progress" == reason