Crash when loading last version

ERROR:main:async_exception_handler:Task exception was never retrieved
future: <Task finished coro=<get_last_version() done, defined at D:\Profiles\inso\dev\sakia\src\sakia\core\app.py:495>
exception=TimeoutError()>
Traceback (most recent call last):
 File "D:\Profiles\inso\dev\sakia\src\sakia\core\app.py", line 505, in get_last_version
   response = await aiohttp.get("https://api.github.com/repos/ucoin-io/sakia/releases", connector=connector)
 File "D:\Anaconda3_64\envs\sakia-env\lib\site-packages\aiohttp\client.py", line 552, in __await__
   return (yield from self._coro)
 File "D:\Anaconda3_64\envs\sakia-env\lib\site-packages\aiohttp\client.py", line 174, in _request
   conn = yield from self._connector.connect(req)
 File "D:\Anaconda3_64\envs\sakia-env\lib\site-packages\aiohttp\connector.py", line 307, in connect
   transport, proto = yield from self._create_connection(req)
 File "D:\Anaconda3_64\envs\sakia-env\lib\site-packages\aiohttp\connector.py", line 575, in _create_connection
   server_hostname=hinfo['hostname'] if sslcontext else None)
 File "D:\Anaconda3_64\envs\sakia-env\lib\asyncio\base_events.py", line 632, in create_connection
   yield from self.sock_connect(sock, address)
 File "D:\Anaconda3_64\envs\sakia-env\lib\asyncio\futures.py", line 358, in __iter__
   yield self  # This tells Task to wait for completion.
 File "D:\Anaconda3_64\envs\sakia-env\lib\asyncio\tasks.py", line 290, in _wakeup
   future.result()
 File "D:\Anaconda3_64\envs\sakia-env\lib\asyncio\futures.py", line 266, in result
   raise CancelledError
Concurrent.futures._base.CancelledError

during handling of the above exception, another exception occurred:

Traceback (most recent call last):
 File "D:\Anaconda3_64\envs\sakia-env\lib\asyncio\tasks.py", line 241, in _step
   result = coro.throw(exc)
 File "D:\Profiles\inso\dev\sakia\src\sakia\core\app.py", line 524, in get_last_version
   self.version_requested.emit()
 File "D:\Anaconda3_64\envs\sakia-env\lib\site-packages\aiohttp\helpers.py", line 486, in __exit__
   raise asyncio.TimeoutError
concurrent.futures._base.TimeoutError