gistfile1.txt

The directory '/Users/tony7514/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/Users/tony7514/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting oslo-config
  Downloading oslo.config-3.9.0-py2.py3-none-any.whl (90kB)
    100% |████████████████████████████████| 92kB 831kB/s
Requirement already satisfied (use --upgrade to upgrade): stevedore>=1.5.0 in ./bin/python27/lib/python2.7/site-packages (from oslo-config)
Requirement already satisfied (use --upgrade to upgrade): netaddr!=0.7.16,>=0.7.12 in ./bin/python27/lib/python2.7/site-packages (from oslo-config)
Requirement already satisfied (use --upgrade to upgrade): debtcollector>=1.2.0 in ./bin/python27/lib/python2.7/site-packages (from oslo-config)
Requirement already satisfied (use --upgrade to upgrade): six>=1.9.0 in ./bin/python27/lib/python2.7/site-packages (from oslo-config)
Requirement already satisfied (use --upgrade to upgrade): pbr>=1.6 in ./bin/python27/lib/python2.7/site-packages (from stevedore>=1.5.0->oslo-config)
Requirement already satisfied (use --upgrade to upgrade): Babel>=1.3 in ./bin/python27/lib/python2.7/site-packages (from debtcollector>=1.2.0->oslo-config)
Requirement already satisfied (use --upgrade to upgrade): funcsigs>=0.4 in ./bin/python27/lib/python2.7/site-packages (from debtcollector>=1.2.0->oslo-config)
Requirement already satisfied (use --upgrade to upgrade): wrapt>=1.7.0 in ./bin/python27/lib/python2.7/site-packages (from debtcollector>=1.2.0->oslo-config)
Requirement already satisfied (use --upgrade to upgrade): pytz>=0a in ./bin/python27/lib/python2.7/site-packages (from Babel>=1.3->debtcollector>=1.2.0->oslo-config)
Installing collected packages: oslo-config
Exception:
Traceback (most recent call last):
  File "/Users/tony7514/bin/python27/lib/python2.7/site-packages/pip/basecommand.py", line 209, in main
    status = self.run(options, args)
  File "/Users/tony7514/bin/python27/lib/python2.7/site-packages/pip/commands/install.py", line 317, in run
    prefix=options.prefix_path,
  File "/Users/tony7514/bin/python27/lib/python2.7/site-packages/pip/req/req_set.py", line 732, in install
    **kwargs
  File "/Users/tony7514/bin/python27/lib/python2.7/site-packages/pip/req/req_install.py", line 835, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "/Users/tony7514/bin/python27/lib/python2.7/site-packages/pip/req/req_install.py", line 1030, in move_wheel_files
    isolated=self.isolated,
  File "/Users/tony7514/bin/python27/lib/python2.7/site-packages/pip/wheel.py", line 346, in move_wheel_files
    assert info_dir, "%s .dist-info directory not found" % req
AssertionError: oslo-config .dist-info directory not found