执行python -m uiautomator2 init 报错

2018-11-17 22:59:26,481 - __main__.py:320 - INFO - Detect pluged devices: ['127.0.0.1:21513']
2018-11-17 22:59:26,482 - __main__.py:336 - INFO - Device(127.0.0.1:21513) initialing ...
Traceback (most recent call last):
  File "D:\Install\python3\lib\site-packages\urllib3\connection.py", line 159, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw)
  File "D:\Install\python3\lib\site-packages\urllib3\util\connection.py", line 57, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "D:\Install\python3\lib\socket.py", line 748, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 11001] getaddrinfo failed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\Install\python3\lib\site-packages\urllib3\connectionpool.py", line 600, in urlopen
    chunked=chunked)
  File "D:\Install\python3\lib\site-packages\urllib3\connectionpool.py", line 343, in _make_request
    self._validate_conn(conn)
  File "D:\Install\python3\lib\site-packages\urllib3\connectionpool.py", line 839, in _validate_conn
    conn.connect()
  File "D:\Install\python3\lib\site-packages\urllib3\connection.py", line 301, in connect
    conn = self._new_conn()
  File "D:\Install\python3\lib\site-packages\urllib3\connection.py", line 168, in _new_conn
    self, "Failed to establish a new connection: %s" % e)
urllib3.exceptions.NewConnectionError: <urllib3.connection.VerifiedHTTPSConnection object at 0x0000024A20790B70>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\Install\python3\lib\site-packages\requests\adapters.py", line 449, in send
    timeout=timeout
  File "D:\Install\python3\lib\site-packages\urllib3\connectionpool.py", line 638, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "D:\Install\python3\lib\site-packages\urllib3\util\retry.py", line 398, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='github-mirror.open.netease.com', port=443): Max retries exceeded with url: /openatx/stf-binaries/raw/master/node_modules/minicap-prebuilt/prebuilt/x86/lib/android-22/minicap.so (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x0000024A20790B70>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\Install\python3\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "D:\Install\python3\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "D:\Install\python3\lib\site-packages\uiautomator2\__main__.py", line 422, in <module>
    main()
  File "D:\Install\python3\lib\site-packages\uiautomator2\__main__.py", line 418, in main
    fire.Fire(MyFire)
  File "D:\Install\python3\lib\site-packages\fire\core.py", line 127, in Fire
    component_trace = _Fire(component, args, context, name)
  File "D:\Install\python3\lib\site-packages\fire\core.py", line 366, in _Fire
    component, remaining_args)
  File "D:\Install\python3\lib\site-packages\fire\core.py", line 542, in _CallCallable
    result = fn(*varargs, **kwargs)
  File "D:\Install\python3\lib\site-packages\uiautomator2\__main__.py", line 324, in init
    ignore_apk_check)
  File "D:\Install\python3\lib\site-packages\uiautomator2\__main__.py", line 339, in _init_with_serial
    ins.install_minicap()
  File "D:\Install\python3\lib\site-packages\uiautomator2\__main__.py", line 129, in install_minicap
    path = cache_download(url)
  File "D:\Install\python3\lib\site-packages\uiautomator2\__main__.py", line 75, in cache_download
    r = requests.get(url, stream=True)
  File "D:\Install\python3\lib\site-packages\requests\api.py", line 75, in get
    return request('get', url, params=params, **kwargs)
  File "D:\Install\python3\lib\site-packages\requests\api.py", line 60, in request
    return session.request(method=method, url=url, **kwargs)
  File "D:\Install\python3\lib\site-packages\requests\sessions.py", line 533, in request
    resp = self.send(prep, **send_kwargs)
  File "D:\Install\python3\lib\site-packages\requests\sessions.py", line 646, in send
    r = adapter.send(request, **kwargs)
  File "D:\Install\python3\lib\site-packages\requests\adapters.py", line 516, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='github-mirror.open.netease.com', port=443): Max retries exceeded with url: /openatx/stf-binaries/raw/master/node_modules/minicap-prebuilt/prebuilt/x86/lib/android-22/minicap.so (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x0000024A20790B70>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))

这个原因及解决办法？

不知道原因：然后使用命令python -m uiautomator2 init -e https://pypi.doubanio.com/simple 出现的错误会少一些

然后又执行python -m uiautomator2 init，居然成功了。。。