Add set_dataformat binding for operator

python_binding/operator/pybind_Operator.cpp

@@ -60,6 +60,7 @@ void init_Operator(py::module& m){
     )mydelimiter")
     .def("associate_input", &Operator::associateInput, py::arg("inputIdx"), py::arg("data"))
     .def("set_datatype", &Operator::setDataType, py::arg("dataType"))
+    .def("set_dataformat", &Operator::setDataFormat, py::arg("dataFormat"))
     .def("set_backend", py::overload_cast<const std::string&, DeviceIdx_t>(&Operator::setBackend), py::arg("name"), py::arg("device") = 0)
     .def("set_backend", py::overload_cast<const std::vector<std::pair<std::string, DeviceIdx_t>>&>(&Operator::setBackend), py::arg("backends"))
     .def("forward", &Operator::forward)