diff --git a/python_binding/data/pybind_Tensor.cpp b/python_binding/data/pybind_Tensor.cpp
index 487866f8ac2c0007ab56b2307073f39d1e72934a..e235425d134dd96c94a7b577610b3905d682dfae 100644
--- a/python_binding/data/pybind_Tensor.cpp
+++ b/python_binding/data/pybind_Tensor.cpp
@@ -319,8 +319,9 @@ void init_Tensor(py::module& m){
     .def(py::self / py::self)
     .def("zeros", &Tensor::zeros)
     .def("mean", &Tensor::mean)
+    .def("abs", &Tensor::abs)
     .def("clone", &Tensor::clone)
-	.def("sqrt", &Tensor::sqrt)
+    .def("sqrt", &Tensor::sqrt)
     .def("set_datatype", &Tensor::setDataType, py::arg("datatype"), py::arg("copyCast") = true)
     .def("set_data_format", &Tensor::setDataFormat, py::arg("data_format"), py::arg("copyTrans") = true)
     .def("set_backend", &Tensor::setBackend, py::arg("name"), py::arg("device") = 0, py::arg("copyFrom") = true)