Update with default operator impl

Related to aidge_core!37 (merged).

aidge_backend_cpu/unit_tests/test_scheduler.py

@@ -55,6 +55,8 @@ class test_scheduler(unittest.TestCase):
         graph_view.set_datatype(aidge_core.DataType.Float32)
         graph_view.set_backend("cpu")
 
+        graph_view.forward_dims()
+
         scheduler = aidge_core.SequentialScheduler(graph_view)
         scheduler.generate_scheduling()
 
@@ -80,6 +82,8 @@ class test_scheduler(unittest.TestCase):
         graph_view.set_datatype(aidge_core.DataType.Float32)
         graph_view.set_backend("cpu")
 
+        graph_view.forward_dims()
+
         scheduler = aidge_core.SequentialScheduler(graph_view)
         scheduler.generate_scheduling()