Add binding for get_micro_graph method of MetaOperator.

python_binding/operator/pybind_MetaOperatorDefs.cpp

@@ -121,7 +121,8 @@ void init_MetaOperatorDefs(py::module &m) {
   declare_PaddedMaxPoolingOp<2>(m);
   declare_PaddedMaxPoolingOp<3>(m);
 
-  py::class_<MetaOperator_Op, std::shared_ptr<MetaOperator_Op>, Operator>(m, "MetaOperator_Op", py::multiple_inheritance());
+  py::class_<MetaOperator_Op, std::shared_ptr<MetaOperator_Op>, Operator>(m, "MetaOperator_Op", py::multiple_inheritance())
+  .def("get_micro_graph", &MetaOperator_Op::getMicroGraph);
 
   m.def("meta_operator", &MetaOperator,
     py::arg("type"),