AttributeError:模块“networkx”没有“from_agraph”属性？

Question

我使用GoaTools进行数据分析，我安装了所有足够的软件包，它显示了错误。我想不出来。需要帮助。 使用Python 3.7.6

python plot_go_term.py --term=GO:0005737 --gml 
go-basic.obo: fmt(1.2) rel(2020-06-01) 47,233 GO Terms
GO:0005737  level-02    depth-02    cytoplasm [cellular_component]
all parents: {'GO:0005575', 'GO:0110165'}
all children: {'GO:0016528', 'GO:0099631', 'GO:0106037', 'GO:0045495', 'GO:0060293', 'GO:0032838', 'GO:0120111', 'GO:0097575', 'GO:1902716', 'GO:0061846', 'GO:1990753', 'GO:1904115', 'GO:0099568', 'GO:0051285', 'GO:0097014', 'GO:0098831', 'GO:0032839', 'GO:0099738', 'GO:0045179', 'GO:0061803', 'GO:0061802', 'GO:0045180', 'GO:1990917', 'GO:0005938', 'GO:0031097', 'GO:0098834', 'GO:1904269'}
Traceback (most recent call last):
  File "plot_go_term.py", line 59, in <module>
    draw_children=opts.draw_children)
  File "/home/cent/anaconda3/lib/python3.7/site-packages/goatools/obo_parser.py", line 594, in draw_lineage
    obj = nx.from_agraph(grph) if engine == "pygraphviz" else nx.from_pydot(grph)
AttributeError: module 'networkx' has no attribute 'from_agraph'