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我现在正在尝试可视化我在 Python 中创建的图表。但是,一旦我应用 pygraphviz,我就会得到一个错误:

 A=pygraphviz.AGraph(name=N.name,strict=strict,directed=directed)
  File "/usr/lib/pymodules/python2.7/pygraphviz/agraph.py", line 177, in __init__
    self.handle=gv.agraphnew(name.encode(self.encoding),
AttributeError: 'Graph' object has no attribute 'encode'

我的错误在哪里?

这是代码的相应部分:

import networkx as nx
import itertools
from itertools import combinations
from networkx import *
import pygraphviz as pgv

def blocks(n):
    nodes = com[n]
    edges = combinations(nodes, 2)
    g = nx.Graph()
    g.add_nodes_from(nodes)
    g.add_edges_from(edges)
    return g

s=blocks(0)
A=to_agraph(s)  
A.layout()
A.draw("network.ps")

然而,在测试这个时,我检查了是否可以使用 pygraphviz 绘制任何其他图表。他们可以。只需键入以下内容:

import networkx as nx
from networkx import *
import pygraphviz as pgv

G=nx.complete_graph(5)
A=to_agraph(s)  
A.layout()
A.draw("network.ps")

我得到了一张完整的图表。我该怎么做才能完成这项工作?非常感谢您提前!

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