From 591bba2c1e76155f69f358982b6ad67fa0e3b1b5 Mon Sep 17 00:00:00 2001
From: Colombo <lepersorium@gmail.com>
Date: Thu, 23 Jan 2020 09:30:43 +0400
Subject: [PATCH] fix clipgrad option

---
 core/leras/optimizers.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/leras/optimizers.py b/core/leras/optimizers.py
index 0a6d477..eaee053 100644
--- a/core/leras/optimizers.py
+++ b/core/leras/optimizers.py
@@ -1,3 +1,5 @@
+import copy
+
 def initialize_optimizers(nn):
     tf = nn.tf
     from tensorflow.python.ops import state_ops, control_flow_ops