pip install failed...

[devcurmudgeon]

$ pip install sandboxlib
Collecting sandboxlib
Using cached sandboxlib-0.3.1.tar.gz
Running setup.py (path:/tmp/pip-build-_pq1t0/sandboxlib/setup.py) egg_info for package sandboxlib produced metadata for project name unknown. Fix your #egg=sandboxlib fragments.
Requirement already satisfied (use --upgrade to upgrade): unknown from https://pypi.python.org/packages/source/s/sandboxlib/sandboxlib-0.3.1.tar.gz#md5=8e5f0c7b9ad3f267606ea97912eb9bcb in /usr/lib/python2.7/site-packages
Building wheels for collected packages: unknown, unknown
Running setup.py bdist_wheel for unknown ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;file='/tmp/pip-build-_pq1t0/sandboxlib/setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" bdist_wheel -d /tmp/tmpGK6UKjpip-wheel- --python-tag cp27:
/usr/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'pbr'
warnings.warn(msg)
usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: -c --help [cmd1 cmd2 ...]
or: -c --help-commands
or: -c cmd --help

error: invalid command 'bdist_wheel'

---

Failed building wheel for unknown
Running setup.py clean for unknown
Running setup.py bdist_wheel for unknown ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;file='/tmp/pip-build-_pq1t0/sandboxlib/setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" bdist_wheel -d /tmp/tmpOSzTP6pip-wheel- --python-tag cp27:
/usr/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'pbr'
warnings.warn(msg)
usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: -c --help [cmd1 cmd2 ...]
or: -c --help-commands
or: -c cmd --help

error: invalid command 'bdist_wheel'

---

Failed building wheel for unknown
Running setup.py clean for unknown
Failed to build unknown unknown