[graph-tool] problem with edge property display

I created a graph and edge property like this> *import pandas as pd import graph_tool as gt df = pd.DataFrame({'Node1':['a','b','c'],'Node2':['b','c','a'],'weight':[0.4,0.5,0.8]}) g = gt.Graph() nprop = g.new_edge_property("float") g.add_edge_list(df.values.tolist(),hashed=True,string_vals=True,eprops=[nprop])* So after creating everything when I type the command *g.list_properties()* it doesn't show anything at all. Why so ?? Also, is there any way to print the weight values ( or any other property values associated with edges and vertices) ?? -- Sent from: http://main-discussion-list-for-the-graph-tool-project.982480.n3.nabble.com/