Graphs with vk api lib

import networkx as nx
import matplotlib.pyplot as plt
import time
import vk
friends = []
offset1 = 0

session = vk.Session(access_token='fc098eed7a2f18129ce9c34fe59612739a07476774a20c0c46cf69e569cf7e9347867feaa92a7883b6185')
api = vk.API(session)

G = nx.Graph()

members = api.groups.getMembers(group_id='ddos_hub', fields='https://vk.com/ddos_hub', v=5.74)
#print(members)
count_members = members['count']
#print(count_members)
for member in members['items']:
    G.add_node(member['id'], label='{} {}'.format(member['first_name'], member['last_name']))

for member in members['items']:
    try:
        #print("current user: {} {}".format(member['first_name'], member['last_name']))
        friends = api.friends.get(user_id = '187598580', order = 'hints', v = 5.74)
        #print(type(friends))
        #print(friends)

        for friend in friends['items']:
            if G.has_node(friend):
                G.add_edge('187598580', friend)


        # Поменял время из-за Too many requests per second
        time.sleep(0.5)
    except Exception as e:
        print(e)

nx.write_gexf(G, 'friends.gexf')

pos=nx.spring_layout(G)

nx.draw_networkx_nodes(G, pos, node_color='cyan', node_size=50)
nx.draw_networkx_edges(G, pos, edge_color='green')
nx.draw_networkx_labels(G, pos, font_size=11, font_family='Arial')
plt.axis('off')
plt.show()