Broken master build: SSL_WRONG_VERSION_NUMBER #276

__________________ test_connection_timeout_tcp[asyncio-auto] ___________________

backend = 'auto'
server = <tests.utils.HypercornServer object at 0x7f7f41716810>

    @pytest.mark.skipif(
        sys.version_info[:2] < (3, 7),
        reason="Hypercorn doesn't support python < 3.7 (this test is local-only)",
    )
    @pytest.mark.anyio
    async def test_connection_timeout_tcp(backend: str, server: Server) -> None:
        # we try to access http server using https. It caused some SSL timeouts
        # in TLSStream.wrap inside inside AnyIOBackend.open_tcp_stream
        method = b"GET"
        url = (b"https", *server.netloc, b"/")
        headers = [server.host_header]
        ext = {"timeout": {"connect": 0.1}}
    
        async with httpcore.AsyncConnectionPool(backend=backend) as http:
            with pytest.raises(httpcore.ConnectTimeout):
>               await http.arequest(method, url, headers, ext=ext)

tests/async_tests/test_interfaces.py:487: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
httpcore/_async/connection_pool.py:259: in arequest
    socket = await self._open_socket(origin, timeout=timeout)
httpcore/_async/connection_pool.py:214: in _open_socket
    local_address=self._local_address,
httpcore/_backends/auto.py:45: in open_tcp_stream
    hostname, port, ssl_context, timeout, local_address=local_address
httpcore/_backends/asyncio.py:268: in open_tcp_stream
    connect_timeout,
/opt/hostedtoolcache/Python/3.7.9/x64/lib/python3.7/contextlib.py:130: in __exit__
    self.gen.throw(type, value, traceback)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

map = {<class 'concurrent.futures._base.TimeoutError'>: <class 'httpcore.ConnectTimeout'>, <class 'OSError'>: <class 'httpcore.ConnectError'>}

    @contextlib.contextmanager
    def map_exceptions(map: Dict[Type[Exception], Type[Exception]]) -> Iterator[None]:
        try:
            yield
        except Exception as exc:  # noqa: PIE786
            for from_exc, to_exc in map.items():
                if isinstance(exc, from_exc):
>                   raise to_exc(exc) from None
E                   httpcore.ConnectError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1091)

httpcore/_exceptions.py:12: ConnectError