Method selected_npn_protocol

Lib/ssl.py:1200–1207

(self)

    @_sslcopydoc
    def selected_npn_protocol(self):
        self._checkClosed()
        warnings.warn(
            "ssl NPN is deprecated, use ALPN instead",
            DeprecationWarning,
            stacklevel=2
        )
        return None

    @_sslcopydoc
    def selected_alpn_protocol(self):