我正在为 neo4j 运行以下配置：
neo4j - 3.0.0
py2neo - 2.0.8
neomodel - 2.0.2
最后，我尝试运行的代码是：
class User(neomodel.StructuredNode):
user_id = neomodel.IntegerProperty(unique_index=True, required=True)
name = neomodel.StringProperty()
phone_number = neomodel.StringProperty()
user = User(user_id=6, name='Sourabh Dev', phone_number='9711237840').save()
我不明白，为什么我不断收到这个奇怪的错误。我在这里做错了什么还是应该使用py2neo而不是neomodel？
我的回溯是：
Traceback (most recent call last):
File "<input>", line 1, in <module>
File "/usr/local/lib/python3.4/site-packages/neomodel-2.0.2-py3.4.egg/neomodel/signals.py", line 25, in hooked
val = fn(self, *args, **kwargs)
File "/usr/local/lib/python3.4/site-packages/neomodel-2.0.2-py3.4.egg/neomodel/core.py", line 159, in save
self._id = self.create(self.__properties__)[0]._id
File "/usr/local/lib/python3.4/site-packages/neomodel-2.0.2-py3.4.egg/neomodel/core.py", line 289, in create
results = db.cypher_query(query, params)
File "/usr/local/lib/python3.4/site-packages/neomodel-2.0.2-py3.4.egg/neomodel/util.py", line 213, in cypher_query
results = self._execute_query(query, params)
File "/usr/local/lib/python3.4/site-packages/neomodel-2.0.2-py3.4.egg/neomodel/util.py", line 207, in _execute_query
results = self.session.cypher.execute(query, create_params=params)
File "/usr/local/lib/python3.4/site-packages/py2neo/cypher/core.py", line 136, in execute
results = tx.commit()
File "/usr/local/lib/python3.4/site-packages/py2neo/cypher/core.py", line 333, in commit
return self.post(self.__commit or self.__begin_commit)
File "/usr/local/lib/python3.4/site-packages/py2neo/cypher/core.py", line 288, in post
raise self.error_class.hydrate(error)
File "/usr/local/lib/python3.4/site-packages/py2neo/cypher/error/core.py", line 54, in hydrate
error_cls = getattr(error_module, title)
AttributeError: 'module' object has no attribute 'TypeError'