From eda04e157849d541b2e919f9871c4a595666cc9d Mon Sep 17 00:00:00 2001
From: Yanming Wang <yanmingwang01@gmail.com>
Date: Wed, 14 Apr 2021 07:47:16 -0700
Subject: [PATCH] [ONNX] Make input shape immutable (#7844)

Co-authored-by: Yanming Wang <yanmwang@amazon.com>
---
 python/tvm/relay/frontend/onnx.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/tvm/relay/frontend/onnx.py b/python/tvm/relay/frontend/onnx.py
index 85fe01905b6e0..14d3c40d40b3c 100644
--- a/python/tvm/relay/frontend/onnx.py
+++ b/python/tvm/relay/frontend/onnx.py
@@ -3058,7 +3058,7 @@ def __init__(self, shape, dtype, freeze_params=False):
         self._renames = {}
         self._num_input = 0
         self._num_param = 0
-        self._shape = shape if shape else {}
+        self._shape = shape.copy() if shape else {}
         self._input_names = []
         self._dtype = dtype
         self.opset = None