From 9a34769cac8efa1934cea7f3ea670f0207187008 Mon Sep 17 00:00:00 2001
From: "lucas.kim" <lucas.kim@kakaocorp.com>
Date: Fri, 6 Sep 2019 15:26:04 +0900
Subject: [PATCH] hotfix

---
 buffalo/misc/log.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/buffalo/misc/log.py b/buffalo/misc/log.py
index 1db0c36..6a350c0 100644
--- a/buffalo/misc/log.py
+++ b/buffalo/misc/log.py
@@ -159,6 +159,10 @@ def update(self, step):
             self.t = t
             self.logger(self.get_msg())
 
+    def refresh(self):
+        # backward-compatability
+        pass
+
 pbar = ProgressBar
 iter_pbar = ProgressBar