Node target (node.target) not found!

Raise code

        if node.op == 'placeholder':
            base_mod_env[node.name] = base_mod_graph.placeholder(node.name)
        elif node.op == 'get_attr':
            base_mod_env[node.name] = base_mod_graph.get_attr(node.target)
            attr_val = m
            for atom in node.target.split('.'):
                if not hasattr(attr_val, atom):
                    raise RuntimeError(f'Node target {node.target} not found!')
                attr_val = getattr(attr_val, atom)
            base_mod_attrs[node.target] = attr_val

    # Do some things iterating over the partitions in topological order again:
    # 1) Finish off submodule Graphs by setting corresponding outputs
    # 2) Construct GraphModules for each submodule
    # 3) Construct the base graph by emitting calls to those submodules in