From 2ed34ad064d1fb2c1ba217b6fd0f9da21276515c Mon Sep 17 00:00:00 2001
From: caifubi <caifubi1@huawei.com>
Date: Tue, 23 Feb 2021 21:38:39 +0800
Subject: [PATCH] fix pynative amp bug

---
 mindspore/common/parameter.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mindspore/common/parameter.py b/mindspore/common/parameter.py
index b5e065f45d..1cd31597da 100644
--- a/mindspore/common/parameter.py
+++ b/mindspore/common/parameter.py
@@ -463,7 +463,8 @@ class Parameter(Tensor_):
             if mstype.implicit_conversion_seq[self.dtype] < mstype.implicit_conversion_seq[data.dtype]:
                 raise_type_error(data.dtype)
             else:
-                data = Tensor(data, self.dtype)
+                from mindspore.ops import functional as F
+                data = F.cast(data, self.dtype)
         if isinstance(data, Tensor) and data.has_init:
             # The parameter has been initializered, directly update by the data
             if current_tensor_is_init: