How to use the aioimaplib.IMAP4_SSL function in aioimaplib

async def connection(self):
        """Return a connection to the server, establishing it if necessary."""

        if self._connection is None:
            try:
                self._connection = aioimaplib.IMAP4_SSL(self._server, self._port)
                await self._connection.wait_hello_from_server()
                await self._connection.login(self._user, self._password)
                await self._connection.select(self._folder)
                self._does_push = self._connection.has_capability("IDLE")
            except (aioimaplib.AioImapException, asyncio.TimeoutError):
                self._connection = None

        return self._connection

async def connection(self):
        """Return a connection to the server, establishing it if necessary."""
        import aioimaplib

        if self._connection is None:
            try:
                self._connection = aioimaplib.IMAP4_SSL(
                    self._server, self._port)
                await self._connection.wait_hello_from_server()
                await self._connection.login(self._user, self._password)
                await self._connection.select(self._folder)
                self._does_push = self._connection.has_capability('IDLE')
            except (aioimaplib.AioImapException, asyncio.TimeoutError):
                self._connection = None

        return self._connection