test = Graph('http://localhost:7474/db/data/',username='neo4j',password='myPassword')

curl -u neo4j http://localhost:7474/db/data/

requests.get('http://localhost:7474/db/data/', auth=('neo4j','myPassword'))

Traceback (most recent call last):
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 318, in __new__
    inst = cls.__instances[key]
KeyError: (<class 'py2neo.database.Graph'>, <ServerAddress settings={'http_port': 7474, 'host': 'localhost'}>, 'data')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 322, in submit
    response = send()
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 317, in send
    http.request(xstr(method), xstr(uri.absolute_path_reference), body, headers)
  File "/usr/lib/python3.5/http/client.py", line 1106, in request
    self._send_request(method, url, body, headers)
  File "/usr/lib/python3.5/http/client.py", line 1151, in _send_request
    self.endheaders(body)
  File "/usr/lib/python3.5/http/client.py", line 1102, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python3.5/http/client.py", line 934, in _send_output
    self.send(msg)
  File "/usr/lib/python3.5/http/client.py", line 877, in send
    self.connect()
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 80, in connect
    self.source_address)
  File "/usr/lib/python3.5/socket.py", line 711, in create_connection
    raise err
  File "/usr/lib/python3.5/socket.py", line 702, in create_connection
    sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 327, in __new__
    use_bolt = version_tuple(inst.__remote__.get().content["neo4j_version"]) >= (3,)
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/database/http.py", line 154, in get
    response = self.__base.get(headers=headers, redirect_limit=redirect_limit, **kwargs)
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 966, in get
    return self.__get_or_head("GET", if_modified_since, headers, redirect_limit, **kwargs)
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 943, in __get_or_head
    return rq.submit(redirect_limit=redirect_limit, **kwargs)
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 433, in submit
    http, rs = submit(self.method, uri, self.body, self.headers)
  File "/home/deploy/toponimika/toponimikaenv/lib/python3.5/site-packages/py2neo/packages/httpstream/http.py", line 362, in submit
    raise SocketError(code, description, host_port=uri.host_port)
py2neo.packages.httpstream.http.SocketError: Connection refused