discord.py sslがない

前提・実現したいこと

ubuntuでdiscordbotを動かそうとしたところ以下のエラーが出ました

発生している問題・エラーメッセージ

Traceback (most recent call last):
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/connector.py", line 999, in _create_direct_connection
    hosts = await asyncio.shield(host_resolved)
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/connector.py", line 865, in _resolve_host
    addrs = await self._resolver.resolve(host, port, family=self._family)
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/resolver.py", line 31, in resolve
    infos = await self._loop.getaddrinfo(
  File "/usr/lib/python3.9/asyncio/base_events.py", line 856, in getaddrinfo
    return await self.run_in_executor(
  File "/usr/lib/python3.9/concurrent/futures/thread.py", line 52, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/lib/python3.9/socket.py", line 953, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -5] No address associated with hostname

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

Traceback (most recent call last):
  File "/home/sibainu/discord/discordongaku-main/しばさぽーと.py", line 71, in <module>
    bot.run("ODc3OTI0MjQyMDczNzM1MjU4.YR5sqg.OVWyt1QVrn0UmJkQXjrB4vH76Wk")
  File "/home/sibainu/.local/lib/python3.9/site-packages/discord/client.py", line 723, in run
    return future.result()
  File "/home/sibainu/.local/lib/python3.9/site-packages/discord/client.py", line 702, in runner
    await self.start(*args, **kwargs)
  File "/home/sibainu/.local/lib/python3.9/site-packages/discord/client.py", line 665, in start
    await self.login(*args, bot=bot)
  File "/home/sibainu/.local/lib/python3.9/site-packages/discord/client.py", line 511, in login
    await self.http.static_login(token.strip(), bot=bot)
  File "/home/sibainu/.local/lib/python3.9/site-packages/discord/http.py", line 300, in static_login
    data = await self.request(Route('GET', '/users/@me'))
  File "/home/sibainu/.local/lib/python3.9/site-packages/discord/http.py", line 192, in request
    async with self.__session.request(method, url, **kwargs) as r:
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/client.py", line 1117, in __aenter__
    self._resp = await self._coro
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/client.py", line 520, in _request
    conn = await self._connector.connect(
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/connector.py", line 535, in connect
    proto = await self._create_connection(req, traces, timeout)
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/connector.py", line 892, in _create_connection
    _, proto = await self._create_direct_connection(req, traces, timeout)
  File "/home/sibainu/.local/lib/python3.9/site-packages/aiohttp/connector.py", line 1011, in _create_direct_connection
    raise ClientConnectorError(req.connection_key, exc) from exc
aiohttp.client_exceptions.ClientConnectorError: Cannot connect to host discord.com:443 ssl:default [No address associated with hostname]