unable to install python-daemon==2.0.5 with setup.py develop

[Jon Chen]

Hi,

I'm unable to install python-daemon via `setup.py develop` when
python-daemon==2.0.5 is listed as a dependency in setup.py. I've
appended a snippet from the install log.

Thanks!
Jon

Searching for python-daemon==2.0.5
Reading https://pypi.python.org/simple/python-daemon/
Authenticating as 24c45d89417c4b29be4e26d91bbdd539 for
https://pypi.python.org/simple/python-daemon/ (from .pypirc)
Best match: python-daemon 2.0.5
Downloading https://pypi.python.org/packages/python-daemon/download/11645/python-daemon-2.0.5.tar.gz#md5=73e7f49f525c51fa4a995aea4d80de41
Processing python-daemon-2.0.5.tar.gz
Writing /var/folders/qd/0tb2zcxn6xj09fxm8cjv3ppr0000gn/T/easy_install-_6E55t/python-daemon-2.0.5/setup.cfg
Running python-daemon-2.0.5/setup.py -q bdist_egg --dist-dir
/var/folders/qd/0tb2zcxn6xj09fxm8cjv3ppr0000gn/T/easy_install-_6E55t/python-daemon-2.0.5/egg-dist-tmp-JnxKnA
warning: no files found matching 'MANIFEST'
warning: no files found matching '*' under directory 'extras'
warning: no previously-included files matching '.cvsignore' found
under directory '*'
warning: no previously-included files matching '*.pyc' found under directory '*'
warning: no previously-included files matching '*~' found under directory '*'
warning: no previously-included files matching '.DS_Store' found under
directory '*'
zip_safe flag not set; analyzing archive contents...
docutils.parsers.rst.directives.misc: module references __file__
docutils.writers.docutils_xml: module references __path__
docutils.writers.html4css1.__init__: module references __file__
docutils.writers.latex2e.__init__: module references __file__
docutils.writers.odf_odt.__init__: module references __file__
docutils.writers.pep_html.__init__: module references __file__
docutils.writers.s5_html.__init__: module references __file__

Installed /private/var/folders/qd/0tb2zcxn6xj09fxm8cjv3ppr0000gn/T/easy_install-_6E55t/python-daemon-2.0.5/.eggs/docutils-0.12-py2.7.egg
/Users/jchen/.venvs/glitch/lib/python2.7/site-packages/setuptools/dist.py:291:
UserWarning: The version specified (u'UNKNOWN') is an invalid version,
this may not work as expected with newer versions of setuptools, pip,
and PyPI. Please see PEP 440 for more details.
  "details." % self.metadata.version
creating /Users/jchen/.venvs/glitch/lib/python2.7/site-packages/python_daemon-UNKNOWN-py2.7.egg
Extracting python_daemon-UNKNOWN-py2.7.egg to
/Users/jchen/.venvs/glitch/lib/python2.7/site-packages
Adding python-daemon UNKNOWN to easy-install.pth file

Installed /Users/jchen/.venvs/glitch/lib/python2.7/site-packages/python_daemon-UNKNOWN-py2.7.egg
error: The 'python-daemon==2.0.5' distribution was not found and is
required by glitch