Ubuntu 19.10

Во-первых, я супер новичок в ubuntu, как будто я использую его в течение 20 часов

from yahoo_finance import Share
yahoo = Share('YHOO')

, но всякий раз, когда я запускаю его Терминал показывает:

Traceback (most recent call last):
  File "/usr/lib/python3.7/urllib/request.py", line 1317, in do_open
    encode_chunked=req.has_header('Transfer-encoding'))
  File "/usr/lib/python3.7/http/client.py", line 1252, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.7/http/client.py", line 1298, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.7/http/client.py", line 1247, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.7/http/client.py", line 1026, in _send_output
    self.send(msg)
  File "/usr/lib/python3.7/http/client.py", line 966, in send
    self.connect()
  File "/usr/lib/python3.7/http/client.py", line 1414, in connect
    super().connect()
  File "/usr/lib/python3.7/http/client.py", line 938, in connect
    (self.host,self.port), self.timeout, self.source_address)
  File "/usr/lib/python3.7/socket.py", line 707, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
  File "/usr/lib/python3.7/socket.py", line 748, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -5] No address associated with hostname

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/sagar/Documents/Python/AlgoTrading.py", line 3, in <module>
    yahoo = Share('YHOO')
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 178, in __init__
    self.refresh()
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 142, in refresh
    self.data_set = self._fetch()
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 181, in _fetch
    data = super(Share, self)._fetch()
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 134, in _fetch
    data = self._request(query)
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 118, in _request
    response = yql.YQLQuery().execute(query)
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/yql.py", line 61, in execute
    'env': DATATABLES_URL
  File "/usr/lib/python3.7/urllib/request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.7/urllib/request.py", line 525, in open
    response = self._open(req, data)
  File "/usr/lib/python3.7/urllib/request.py", line 543, in _open
    '_open', req)
  File "/usr/lib/python3.7/urllib/request.py", line 503, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.7/urllib/request.py", line 1360, in https_open
    context=self._context, check_hostname=self._check_hostname)
  File "/usr/lib/python3.7/urllib/request.py", line 1319, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [Errno -5] No address associated with hostname>
sagar@sagar-desktop:~/Documents/Python$ ^C
sagar@sagar-desktop:~/Documents/Python$ /usr/bin/python3 /home/sagar/Documents/Python/AlgoTrading.py
Traceback (most recent call last):
  File "/usr/lib/python3.7/urllib/request.py", line 1317, in do_open
    encode_chunked=req.has_header('Transfer-encoding'))
  File "/usr/lib/python3.7/http/client.py", line 1252, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.7/http/client.py", line 1298, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.7/http/client.py", line 1247, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.7/http/client.py", line 1026, in _send_output
    self.send(msg)
  File "/usr/lib/python3.7/http/client.py", line 966, in send
    self.connect()
  File "/usr/lib/python3.7/http/client.py", line 1414, in connect
    super().connect()
  File "/usr/lib/python3.7/http/client.py", line 938, in connect
    (self.host,self.port), self.timeout, self.source_address)
  File "/usr/lib/python3.7/socket.py", line 707, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
  File "/usr/lib/python3.7/socket.py", line 748, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -5] No address associated with hostname

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/sagar/Documents/Python/AlgoTrading.py", line 3, in <module>
    yahoo = Share('YHOO')
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 178, in __init__
    self.refresh()
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 142, in refresh
    self.data_set = self._fetch()
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 181, in _fetch
    data = super(Share, self)._fetch()
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 134, in _fetch
    data = self._request(query)
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/__init__.py", line 118, in _request
    response = yql.YQLQuery().execute(query)
  File "/usr/local/lib/python3.7/dist-packages/yahoo_finance/yql.py", line 61, in execute
    'env': DATATABLES_URL
  File "/usr/lib/python3.7/urllib/request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.7/urllib/request.py", line 525, in open
    response = self._open(req, data)
  File "/usr/lib/python3.7/urllib/request.py", line 543, in _open
    '_open', req)
  File "/usr/lib/python3.7/urllib/request.py", line 503, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.7/urllib/request.py", line 1360, in https_open
    context=self._context, check_hostname=self._check_hostname)
  File "/usr/lib/python3.7/urllib/request.py", line 1319, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [Errno -5] No address associated with hostname>

Я попытался найти что-то, что может это исправить, но ничего не получил.