Update code to Python 3.10

docs_sphinx/api/index.rst

@@ -8,6 +8,7 @@ API
     architecture.rst
     core_operations.rst
     graph_component.rst
+    list_schedulers.rst
     operation.rst
     port.rst
     process.rst
@@ -15,6 +16,7 @@ API
     resources.rst
     save_load_structure.rst
     schedule.rst
+    scheduler.rst
     sfg_generators.rst
     signal.rst
     signal_flow_graph.rst