def load_nodegraph(filename):
 nodegraph = _Nodegraph(1, [1])
 nodegraph.load(filename)
 return nodegraph

def load_nodegraph ( filename ) : nodegraph = _Nodegraph ( 1 , [ 1 ] ) nodegraph . load ( filename ) return nodegraph
load a nodegraph object from the given filename and return it .