fix str of autogradzero

Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/18442

Differential Revision: D14602880

Pulled By: wanchaol

fbshipit-source-id: ebd00f9bb5f1f7e33964c10d8c9f165b7bb4985f

diff --git a/aten/src/ATen/core/jit_type.h b/aten/src/ATen/core/jit_type.h
index 9b18a81..2acba07 100644 (file)
--- a/aten/src/ATen/core/jit_type.h
+++ b/aten/src/ATen/core/jit_type.h
@@ -306,7 +306,7 @@ struct CAFFE2_API AutogradZeroTensorType : public TensorType {
            TensorType::isSubtypeOf(rhs);
   }
   std::string str() const override {
-    return "UndefinedTensor";
+    return "AutogradZeroTensor";
   }
 
   static const TypeKind Kind = TypeKind::AutogradZeroTensorType;