From e291fca43d21b017040ad0e37986bcd96e0ab71a Mon Sep 17 00:00:00 2001
From: Ekaterina Tuzova <Ekaterina.Tuzova@jetbrains.com>
Date: Wed, 6 Feb 2019 16:59:58 +0300
Subject: [PATCH] PY-33670 Scientific view doesn't support Python < 3.6

assert message fixed
---
 python/helpers/pycharm_display/datalore/display/display_.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/helpers/pycharm_display/datalore/display/display_.py b/python/helpers/pycharm_display/datalore/display/display_.py
index eba195e85d72..a4b143695bd5 100644
--- a/python/helpers/pycharm_display/datalore/display/display_.py
+++ b/python/helpers/pycharm_display/datalore/display/display_.py
@@ -18,7 +18,7 @@ def display(data):
         repr_display_attr = getattr(data, '_repr_display_', None)
         if callable(repr_display_attr):
             message_spec = repr_display_attr()
-            assert len(message_spec) == 2, 'Tuple length expected is 2 but was {len(message_spec)}'
+            assert len(message_spec) == 2, 'Tuple length expected is 2 but was %d' % len(message_spec)
 
             message_spec = _standardize_value(message_spec)
             _send_display_message({