def abort(self):
        '''Abort a file transfer.  Uses out-of-band data.
        This does not follow the procedure from the RFC to send Telnet
        IP and Synch; that doesn't seem to work with the servers I've
        tried.  Instead, just send the ABOR command as OOB data.'''
        line = 'ABOR' + CRLF
        if self.debugging > 1: print '*put urgent*', self.sanitize(line)
        self.sock.sendall(line, MSG_OOB)
        resp = self.getmultiline()
        if ('426', '225', '226') not in resp[:3]:
            raise error_proto, resp
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/ftplib.py/FTP.abort/swapped operands of `not in`