Target WSGI script '/usr/bin/keystone-wsgi-admin' cannot be loaded as Python module

[xianba]

Hello everyone, I encountered a problem in the installation of keystone（10.0.0-newton）, no matter how hard I tried, and finally no avail, so I came to everyone.
console information show as:
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[root@localhost httpd]# openstack project create --domain default --description "Service Project" service
Discovering versions from the identity service failed when creating the password plugin. Attempting to determine version from URL.
Internal Server Error (HTTP 500)
[root@localhost httpd]#
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and the log of http /var/log/apache2/keystone.log show as follow:

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2016-12-22 19:02:51.711948 mod_wsgi (pid=3654): Target WSGI script '/usr/bin/keystone-wsgi-admin' cannot be loaded as Python module.
2016-12-22 19:02:51.712000 mod_wsgi (pid=3654): Exception occurred processing WSGI script '/usr/bin/keystone-wsgi-admin'.
2016-12-22 19:02:51.712025 Traceback (most recent call last):
2016-12-22 19:02:51.712160 File "/usr/bin/keystone-wsgi-admin", line 51, in <module>
2016-12-22 19:02:51.712758 application = initialize_admin_application()
2016-12-22 19:02:51.712783 File "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py", line 132, in initialize_admin_application
2016-12-22 19:02:51.712891 config_files=_get_config_files())
2016-12-22 19:02:51.713014 File "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py", line 56, in initialize_application
2016-12-22 19:02:51.713042 common.configure(config_files=config_files)
2016-12-22 19:02:51.713054 File "/usr/lib/python2.7/site-packages/keystone/server/common.py", line 30, in configure
2016-12-22 19:02:51.713072 keystone.conf.configure()
2016-12-22 19:02:51.713085 File "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py", line 126, in configure
2016-12-22 19:02:51.713604 help='Do not monkey-patch threading system modules.'))
2016-12-22 19:02:51.713623 File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2193, in __inner
2016-12-22 19:02:51.714682 result = f(self, *args, **kwargs)
2016-12-22 19:02:51.716833 File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2378, in register_cli_opt
2016-12-22 19:02:51.717150 raise ArgsAlreadyParsedError("cannot register CLI option")
2016-12-22 19:02:51.717245 ArgsAlreadyParsedError: arguments already parsed: cannot register CLI option
2016-12-22 19:02:51.735748 mod_wsgi (pid=3652): Target WSGI script '/usr/bin/keystone-wsgi-admin' cannot be loaded as Python module.
2016-12-22 19:02:51.735951 mod_wsgi (pid=3652): Exception occurred processing WSGI script '/usr/bin/keystone-wsgi-admin'.
2016-12-22 19:02:51.736057 Traceback (most recent call last):
2016-12-22 19:02:51.736163 File "/usr/bin/keystone-wsgi-admin", line 51, in <module>
2016-12-22 19:02:51.736355 application = initialize_admin_application()
2016-12-22 19:02:51.736478 File "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py", line 132, in initialize_admin_application
2016-12-22 19:02:51.736510 config_files=_get_config_files())
2016-12-22 19:02:51.736523 File "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py", line 56, in initialize_application
2016-12-22 19:02:51.736540 common.configure(config_files=config_files)
2016-12-22 19:02:51.736550 File "/usr/lib/python2.7/site-packages/keystone/server/common.py", line 30, in configure
2016-12-22 19:02:51.736567 keystone.conf.configure()
2016-12-22 19:02:51.736581 File "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py", line 126, in configure
2016-12-22 19:02:51.736999 help='Do not monkey-patch threading system modules.'))
2016-12-22 19:02:51.737020 File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2193, in __inner
2016-12-22 19:02:51.738035 result = f(self, *args, **kwargs)
2016-12-22 19:02:51.738055 File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2378, in register_cli_opt
2016-12-22 19:02:51.738198 raise ArgsAlreadyParsedError("cannot register CLI option")
2016-12-22 19:02:51.738374 ArgsAlreadyParsedError: arguments already parsed: cannot register CLI option
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log and httpd's conf file as follow,can someone solve it,thank you.

[de1m (wlkalexander)]

yes, I've the save error after update from newton to ocata