Thank you for your attention and help ... View more

@Ayub Khan After I connect to the Internet network upgrade the python environment, then the problem solved.Thank you for your attention and help ! ... View more

@Tom Onishi Thank you very much ! ... View more

@chennuri gouri shankarOK ! ... View more

@Ayub Pathan Yes,the problem has been resolved,thanks! ... View more

@Ayub Pathan Yes, I did forget to change the "enabled=0", thank you very much for your advice and answer! ... View more

@Ashnee SharmaThank you very much. The problem is solved. I upgraded the python according to your method. I feel so excited! But I am confused, why does this problem appear?Is the official not taking into account this problem? ... View more

@Ashnee SharmaI never did not install or upgrade python!Can you describe the specific steps?Thank you ! ... View more

@Ashnee SharmaThank you very much ! I'll try it right away. ... View more

@Ayub PathanCentOS 6.6 without a argparse module, can you describe the specific steps you have installed the argparse module?Thank you ! ... View more