# get nodes
pg_nodes_elements = pg_rspec.get_node_elements()
nodes_with_slivers = pg_rspec.get_nodes_with_slivers()
- print "nodes with slivers", nodes_with_slivers
i = 1
for pg_node_element in pg_nodes_elements:
node_element = sfa_rspec.add_element('node', {'id': 'n'+str(i)}, parent=network_element)