Connecting to remote Gremlin Server about goblin HOT 7 CLOSED

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/connector.py", line 308, in connect
    yield from self._create_connection(req)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/connector.py", line 597, in _create_connection
    transport, proto = yield from self._create_direct_connection(req)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/connector.py", line 608, in _create_direct_connection
    hosts = yield from self._resolve_host(req.host, req.port)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/connector.py", line 580, in _resolve_host
    self._resolver.resolve(host, port, family=self._family)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/resolver.py", line 30, in resolve
    host, port, type=socket.SOCK_STREAM, family=family)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/concurrent/futures/thread.py", line 55, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/socket.py", line 743, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 8] nodename nor servname provided, or not known

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "test-remote.py", line 22, in <module>
    loop.run_until_complete(go(loop))
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/asyncio/base_events.py", line 466, in run_until_complete
    return future.result()
  File "test-remote.py", line 13, in go
    conn = await driver.Connection.open('wss://username:password@remotehost_name:8182/gremlin', loop)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/goblin/driver/connection.py", line 182, in open
    ws = await client_session.ws_connect(url)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/client.py", line 535, in __await__
    resp = yield from self._coro
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/client.py", line 306, in _ws_connect
    proxy_auth=proxy_auth)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/client.py", line 530, in __iter__
    resp = yield from self._coro
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/client.py", line 176, in _request
    conn = yield from self._connector.connect(req)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/aiohttp/connector.py", line 318, in connect
    .format(key, exc.strerror)) from exc
aiohttp.errors.ClientOSError: [Errno 8] Cannot connect to host remotehost_name:8182 ssl:True [nodename nor servname provided, or not known]
Unclosed client session
client_session: <aiohttp.client.ClientSession object at 0x103decfd0>