Traceback (most recent call last): File "scenery_downloader.py", line 123, in ? ftp.retrbinary('RETR', "e000s10.tgz") File "/usr/lib/python2.3/ftplib.py", line 379, in retrbinary conn = self.transfercmd(cmd, rest) File "/usr/lib/python2.3/ftplib.py", line 345, in transfercmd return self.ntransfercmd(cmd, rest)[0] File "/usr/lib/python2.3/ftplib.py", line 327, in ntransfercmd resp = self.sendcmd(cmd) File "/usr/lib/python2.3/ftplib.py", line 241, in sendcmd return self.getresp() File "/usr/lib/python2.3/ftplib.py", line 214, in getresp raise error_perm, respftplib.error_perm: 500 'RETR' not understood