From f57392b94f22f31c3489d4f99507b0226dbe0853 Mon Sep 17 00:00:00 2001
From: Guan-t7 <zlguan@zju.edu.cn>
Date: Wed, 8 Nov 2023 12:32:55 -0800
Subject: [PATCH] Fix __rsub__ in Tensor

---
 python/needle/autograd.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/needle/autograd.py b/python/needle/autograd.py
index 60ea47a..50ba4bc 100755
--- a/python/needle/autograd.py
+++ b/python/needle/autograd.py
@@ -360,8 +360,9 @@ def transpose(self, axes=None):
 
     __radd__ = __add__
     __rmul__ = __mul__
-    __rsub__ = __sub__
     __rmatmul__ = __matmul__
+    def __rsub__(self, other):
+        return other + (-self)
 
 
 def compute_gradient_of_variables(output_tensor, out_grad):