在ubuntu18.04 vm上运行安装devstack..
应该如何解决呀???
File "/opt/stack/devstack/tools/worlddump.py", line 255, in <module> sys.exit(main())
File "/opt/stack/devstack/tools/worlddump.py", line 239, in main sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
File "/usr/lib/python3.6/os.py", line 1017, in fdopen return io.open(fd, *args, **kwargs) ValueError: can't have unbuffered text I/O
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