From b53d290dee2a2abab34e7990c06de4731d7e5d2c Mon Sep 17 00:00:00 2001
From: wangxinxin08 <69842442+wangxinxin08@users.noreply.github.com>
Date: Wed, 19 Aug 2020 18:10:15 +0800
Subject: [PATCH] Remove unnecessary parameters in IouLoss (#1254)

* fix deadlink in docs/tutorials/INSTALL_cn.md, slim/README.md and slim/extensions/distill_pruned_model/README.md
---
 ppdet/modeling/losses/iou_loss.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ppdet/modeling/losses/iou_loss.py b/ppdet/modeling/losses/iou_loss.py
index 624cd47c0..d62dd8616 100644
--- a/ppdet/modeling/losses/iou_loss.py
+++ b/ppdet/modeling/losses/iou_loss.py
@@ -235,4 +235,5 @@ class IouLoss(object):
             dtype=numpy_array.dtype,
             default_initializer=NumpyArrayInitializer(numpy_array))
         paddle_array.stop_gradient = True
+        paddle_array.persistable = False
         return paddle_array
-- 
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