changes to support better type checking for retrieving an arbitrary node from a session, get_node now requires an expected class that the node would be an instance of, if the returned node is not an instance a CoreError is thrown, this also helps editors pick up expected types to account for variable/function usage better as well

daemon/core/plugins/sdt.py

@@ -344,7 +344,7 @@ class Sdt:
         """
         result = False
         try:
-            node = self.session.get_node(node_id)
+            node = self.session.get_node(node_id, NodeBase)
             result = isinstance(node, (WlanNode, EmaneNet))
         except CoreError:
             pass