Only update expr when missing

apache · Mar 25, 2019 · dbd5dde · dbd5dde
1 parent 17127c2
commit dbd5dde
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/python/tvm/relay/frontend/common.py b/python/tvm/relay/frontend/common.py
@@ -255,7 +255,8 @@ def get_expr(self, name):
 
     def set_expr(self, name, expr):
         assert isinstance(expr, _expr.Expr)
-        self.exprs[name] = expr
+        if name not in self.exprs:
+            self.exprs[name] = expr
 
     def set_padding(self, paddings):
         self.paddings = paddings