在我的计算机上使用CentOS 7运行devstack时，我得到了这个。有人可以给我一些帮助吗？
＃Exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/lib/python2.7/site-packages/pip/commands/install.py", line 317, in run
prefix=options.prefix_path,
File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 742, in install
**kwargs
File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 831, in install
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 1032, in move_wheel_files
isolated=self.isolated,
File "/usr/lib/python2.7/site-packages/pip/wheel.py", line 348, in move_wheel_files
assert info_dir, "%s .dist-info directory not found" % req
AssertionError: oslo-vmware .dist-info directory not found
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