(self)
Return the currently selected NPN protocol as a string, or ``None``
        if a next protocol was not negotiated or if NPN is not supported by one
        of the peers.
Return the currently selected NPN protocol as a string, or ``None``
        if a next protocol was not negotiated or if NPN is not supported by one
        of the peers.
Return the currently selected NPN protocol as a string or None if a next protocol was not negotiated or if NPN is not supported by one of the peers .
def selected_npn_protocol(self):
        """Return the currently selected NPN protocol as a string, or ``None``
        if a next protocol was not negotiated or if NPN is not supported by one
        of the peers."""
        warnings.warn(
            "ssl NPN is deprecated, use ALPN instead",
            DeprecationWarning,
            stacklevel=2
        )
def selected_npn_protocol ( self ) : warnings . warn ( "ssl NPN is deprecated, use ALPN instead" , DeprecationWarning , stacklevel = 2 )