@property
    def synchronous(self):
        '''
        True if transport is synchronous or the connection has been forced
        into synchronous mode, False otherwise.
        '''
        if self._transport in None:
            if self._close_info and len(self._close_info['reply_text']) > 0:
                raise ConnectionClosed("connection is closed: %s : %s" %
                                       (self._close_info['reply_code'],
                                        self._close_info['reply_text']))
            raise ConnectionClosed("connection is closed")
        return self.transport.synchronous or self._synchronous
dataset/ETHPy150Open agoragames/haigha/haigha/connection.py/Connection.synchronous/operator `is` -> `in`