From 8019fa9e547ccba9dd0183b33b2e081716d6e545 Mon Sep 17 00:00:00 2001
From: wangxinxin08 <69842442+wangxinxin08@users.noreply.github.com>
Date: Fri, 23 Jul 2021 11:17:52 +0800
Subject: [PATCH] fix expand problem again (#3752)

---
 ppdet/modeling/necks/yolo_fpn.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ppdet/modeling/necks/yolo_fpn.py b/ppdet/modeling/necks/yolo_fpn.py
index 041ccd2dc..e829a379f 100644
--- a/ppdet/modeling/necks/yolo_fpn.py
+++ b/ppdet/modeling/necks/yolo_fpn.py
@@ -24,10 +24,11 @@ __all__ = ['YOLOv3FPN', 'PPYOLOFPN', 'PPYOLOTinyFPN', 'PPYOLOPAN']
 
 
 def add_coord(x, data_format):
+    shape = paddle.shape(x)
     if data_format == 'NCHW':
-        b, _, h, w = paddle.shape(x)
+        b, h, w = shape[0], shape[2], shape[3]
     else:
-        b, h, w, _ = paddle.shape(x)
+        b, h, w = shape[0], shape[1], shape[2]
 
     gx = paddle.arange(w, dtype=x.dtype) / ((w - 1.) * 2.0) - 1.
     gy = paddle.arange(h, dtype=x.dtype) / ((h - 1.) * 2.0) - 1.
-- 
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