Go to the login page.

async def _get_login_page(self):
        """Go to the login page."""
        try:
            async with async_timeout.timeout(10):
                raw_res = await self._session.get(HOME_URL,
                                                  allow_redirects=False,
                                                  timeout=self._timeout)
        except OSError:
            raise PyEboxError("Can not connect to login page")
        # Get token
        content = await raw_res.text()
        soup = BeautifulSoup(content, 'html.parser')
        token_node = soup.find('input', {'name': '_csrf_security_token'})
        if token_node is None:
            raise PyEboxError("No token input found")
        token = token_node.attrs.get('value')
        if token is None:
            raise PyEboxError("No token found")
        return token