Fixed binding

python_binding/scheduler/pybind_Scheduler.cpp

@@ -34,7 +34,7 @@ void init_Scheduler(py::module& m){
     py::class_<SequentialScheduler, std::shared_ptr<SequentialScheduler>, Scheduler>(m, "SequentialScheduler")
     .def(py::init<std::shared_ptr<GraphView>&>(), py::arg("graph_view"))
     .def("forward", &SequentialScheduler::forward, py::arg("forward_dims")=true, py::arg("data")=std::vector<Tensor>())
-    .def("backward", &SequentialScheduler::backward, py::arg("instanciate_grad")=true)
+    .def("backward", &SequentialScheduler::backward)
     ;
 
     py::class_<ParallelScheduler, std::shared_ptr<ParallelScheduler>, Scheduler>(m, "ParallelScheduler")