diff --git a/Social_Network_Analysis_for_Starupts/chapter5/two_mode.py b/Social_Network_Analysis_for_Starupts/chapter5/two_mode.py
index 876ad48ba..2edfccfed 100644
--- a/Social_Network_Analysis_for_Starupts/chapter5/two_mode.py
+++ b/Social_Network_Analysis_for_Starupts/chapter5/two_mode.py
@@ -47,8 +47,7 @@ def trim_edges(g, weight=1):
 ## compute the projected graph
 pacnet=bi.weighted_projected_graph(g, pacs, ratio=False)
 pacnet=net.connected_component_subgraphs(pacnet)[0]
-weights=[math.log(edata['weight']) for f,t,edata in pacnet.edges(data=True)]
-
+weights=[math.log(edata['weight']) for f,t,edata in pacnet.edges()]
 net.draw_networkx(p,width=weights, edge_color=weights)