Description of problem:

unable to add a copr repository on rawhide

Version-Release number of selected component (if applicable):
dnf-plugins-core-0.1.6-2.fc23.noarch


How reproducible: always


Steps to Reproduce:
1. sudo dnf copr enable lsm5/rkt


Actual results:
Traceback (most recent call last):
  File "/bin/dnf", line 35, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3.4/site-packages/dnf/cli/main.py", line 185, in user_main
    errcode = main(args)
  File "/usr/lib/python3.4/site-packages/dnf/cli/main.py", line 84, in main
    return _main(base, args)
  File "/usr/lib/python3.4/site-packages/dnf/cli/main.py", line 134, in _main
    cli.run()
  File "/usr/lib/python3.4/site-packages/dnf/cli/cli.py", line 1071, in run
    return self.command.run(self.base.extcmds)
  File "/usr/lib/python3.4/site-packages/dnf-plugins/copr.py", line 111, in run
    Do you want to continue? [y/N]: """)
  File "/usr/lib/python3.4/site-packages/dnf-plugins/copr.py", line 179, in _ask_user
    answer = raw_input(question).lower()
NameError: name 'raw_input' is not defined



Expected results: repository should be enabled