Update app.py

app.py

@@ -22,13 +22,13 @@ def draw_graph(G, pos=None, title="Graph Visualization"):
 
 # Function for creating and drawing a multipartite graph
 def multilayered_graph(*subset_sizes):
-    extents = nx.utils.pairwise(itertools.accumulate((0,) + subset_sizes))
+    extents = nx.utils.pairwise(it.accumulate((0,) + subset_sizes))
     layers = [range(start, end) for start, end in extents]
     G = nx.Graph()
     for i, layer in enumerate(layers):
         G.add_nodes_from(layer, layer=i)
     for layer1, layer2 in nx.utils.pairwise(layers):
-        G.add_edges_from(itertools.product(layer1, layer2))
+        G.add_edges_from(it.product(layer1, layer2))
     return G
 
 # Function to display Drawing: Multipartite Layout