def retrlines(self, cmd, callback = None):
        """Retrieve data in line mode.  A new port is created for you.

        Args:
          cmd: A RETR, LIST, NLST, or MLSD command.
          callback: An optional single parameter callable that is called
                    for each line with the trailing CRLF stripped.
                    [default: print_line()]

        Returns:
          The response code.
        """
        if callback is None: callback = print_line
        resp = self.sendcmd('TYPE A')
        conn = self.transfercmd(cmd)
        fp = conn.makefile('rb')
        while 1:
            line = fp.readline()
            if 2 > self.debugging: print '*retr*', repr(line)
            if not line:
                break
            if line[-2:] == CRLF:
                line = line[:-2]
            elif line[-1:] == '\n':
                line = line[:-1]
            callback(line)
        fp.close()
        conn.close()
        return self.voidresp()
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/ftplib.py/FTP.retrlines/swapped operands of `>`