我正在尝试使用jupyter和neo4j bolt python软件包连接到我的图形数据库。 我不确定为什么不按照我的说明进行操作。 我可以使用neo4j浏览器连接到数据库，但不能通过python连接。 任何帮助将不胜感激！
使用
graphdb = GraphDatabase.driver（uri =“ bolt：// localhost：7687”，auth =（“ neo4j”，“ hetionet”））
我收到此错误：image of error here
---------------------------------------------------------------------------
error Traceback (most recent call last)
<ipython-input-27-30c3d9541515> in <module>()
----> 1 graphdb=GraphDatabase.driver(uri="bolt://localhost:7687",auth=("neo4j","hetionet"))
/home/seasonedtofu/.local/lib/python2.7/site-packages/neo4j/__init__.pyc in driver(cls, uri, **config)
118 :class:`.Driver` subclass instance directly.
119 """
--> 120 return Driver(uri, **config)
121
122
/home/seasonedtofu/.local/lib/python2.7/site-packages/neo4j/__init__.pyc in __new__(cls, uri, **config)
159 for subclass in Driver.__subclasses__():
160 if parsed_scheme in subclass.uri_schemes:
--> 161 return subclass(uri, **config)
162 raise ValueError("URI scheme %r not supported" % parsed.scheme)
163
/home/seasonedtofu/.local/lib/python2.7/site-packages/neo4j/__init__.pyc in __new__(cls, uri, **config)
233
234 pool = ConnectionPool(connector, instance.address, **config)
--> 235 pool.release(pool.acquire())
236 instance._pool = pool
237 instance._max_retry_time = config.get("max_retry_time", default_config["max_retry_time"])
/home/seasonedtofu/.local/lib/python2.7/site-packages/neobolt/direct.pyc in acquire(self, access_mode)
713
714 def acquire(self, access_mode=None):
--> 715 return self.acquire_direct(self.address)
716
717
/home/seasonedtofu/.local/lib/python2.7/site-packages/neobolt/direct.pyc in acquire_direct(self, address)
606 if can_create_new_connection:
607 try:
--> 608 connection = self.connector(address, error_handler=self.connection_error_handler)
609 except ServiceUnavailable:
610 self.remove(address)
/home/seasonedtofu/.local/lib/python2.7/site-packages/neo4j/__init__.pyc in connector(address, **kwargs)
230
231 def connector(address, **kwargs):
--> 232 return connect(address, **dict(config, **kwargs))
233
234 pool = ConnectionPool(connector, instance.address, **config)
/home/seasonedtofu/.local/lib/python2.7/site-packages/neobolt/direct.pyc in connect(address, **config)
970 raise ServiceUnavailable("Failed to resolve addresses for %s" % address)
971 else:
--> 972 raise last_error
error: [Errno 0] Error