I'm using Voice2Json and met an error

[StrewJim]

[E] Traceback (most recent call last):
[E] File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main
[E] "main", mod_spec)
[E] File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
[E] exec(code, run_globals)
[E] File "/usr/lib/voice2json/voice2json/main.py", line 26, in
[E] from .pronounce import pronounce
[E] File "/usr/lib/voice2json/voice2json/pronounce.py", line 15, in
[E] import rhasspynlu
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/rhasspynlu/init.py", line 2, in
[E] from .arpa_lm import arpa_to_fst, fst_to_arpa, graph_to_arpa, graph_to_arpa_small
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/rhasspynlu/arpa_lm.py", line 10, in
[E] import networkx as nx
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/networkx/init.py", line 115, in
[E] import networkx.readwrite
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/networkx/readwrite/init.py", line 16, in
[E] from networkx.readwrite.gexf import *
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/networkx/readwrite/gexf.py", line 186, in
[E] class GEXF(object):
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/networkx/readwrite/gexf.py", line 216, in GEXF
[E] import numpy as np
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/numpy/init.py", line 145, in
[E] from . import core
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/numpy/core/init.py", line 72, in
[E] from . import numeric
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/numpy/core/numeric.py", line 23, in
[E] from . import shape_base
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/numpy/core/shape_base.py", line 13, in
[E] from . import fromnumeric as _from_nx
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/numpy/core/fromnumeric.py", line 603, in
[E] def transpose(a, axes=None):
[E] File "/usr/lib/voice2json/.venv/lib/python3.7/site-packages/numpy/core/overrides.py", line 209, in decorator
[E] exec(source_object, scope)
[E] File "<array_function internals>", line 2, in
[E] File "/usr/lib/python3.7/functools.py", line 58, in update_wrapper
[E] setattr(wrapper, attr, value)
[E] TypeError: attribute name must be string, not 'function'