LOL, It's working at my personal machine now.
(restfulie)douglascamata ~/nsi/aos/restfulie-py (master) $ python setup.py install
running install
running bdist_egg
running egg_info
writing requirements to restfulie.egg-info/requires.txt
writing restfulie.egg-info/PKG-INFO
writing top-level names to restfulie.egg-info/top_level.txt
writing dependency_links to restfulie.egg-info/dependency_links.txt
reading manifest file 'restfulie.egg-info/SOURCES.txt'
writing manifest file 'restfulie.egg-info/SOURCES.txt'
installing library code to build/bdist.macosx-10.6-universal/egg
running install_lib
running build_py
copying restfulie/__init__.py -> build/lib/restfulie
creating build/bdist.macosx-10.6-universal/egg
creating build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/__init__.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/converters.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/dsl.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/links.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/opensearch.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/parser.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/processor.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/request.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/response.py -> build/bdist.macosx-10.6-universal/egg/restfulie
copying build/lib/restfulie/restfulie.py -> build/bdist.macosx-10.6-universal/egg/restfulie
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/__init__.py to __init__.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/converters.py to converters.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/dsl.py to dsl.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/links.py to links.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/opensearch.py to opensearch.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/parser.py to parser.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/processor.py to processor.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/request.py to request.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/response.py to response.pyc
byte-compiling build/bdist.macosx-10.6-universal/egg/restfulie/restfulie.py to restfulie.pyc
creating build/bdist.macosx-10.6-universal/egg/EGG-INFO
copying restfulie.egg-info/PKG-INFO -> build/bdist.macosx-10.6-universal/egg/EGG-INFO
copying restfulie.egg-info/SOURCES.txt -> build/bdist.macosx-10.6-universal/egg/EGG-INFO
copying restfulie.egg-info/dependency_links.txt -> build/bdist.macosx-10.6-universal/egg/EGG-INFO
copying restfulie.egg-info/requires.txt -> build/bdist.macosx-10.6-universal/egg/EGG-INFO
copying restfulie.egg-info/top_level.txt -> build/bdist.macosx-10.6-universal/egg/EGG-INFO
creating 'dist/restfulie-0.9.0-py2.6.egg' and adding 'build/bdist.macosx-10.6-universal/egg' to it
removing 'build/bdist.macosx-10.6-universal/egg' (and everything under it)
Processing restfulie-0.9.0-py2.6.egg
Removing /Users/douglascamata/.python_envs/restfulie/lib/python2.6/site-packages/restfulie-0.9.0-py2.6.egg
Copying restfulie-0.9.0-py2.6.egg to /Users/douglascamata/.python_envs/restfulie/lib/python2.6/site-packages
restfulie 0.9.0 is already the active version in easy-install.pth
Installed /Users/douglascamata/.python_envs/restfulie/lib/python2.6/site-packages/restfulie-0.9.0-py2.6.egg
Processing dependencies for restfulie==0.9.0
Searching for httplib2==0.6.0
Best match: httplib2 0.6.0
Processing httplib2-0.6.0-py2.6.egg
httplib2 0.6.0 is already the active version in easy-install.pth
Using /Users/douglascamata/.python_envs/restfulie/lib/python2.6/site-packages/httplib2-0.6.0-py2.6.egg
Finished processing dependencies for restfulie==0.9.0
(restfulie)douglascamata ~/nsi/aos/restfulie-py (master) $ cd ..
(restfulie)douglascamata ~/nsi/aos $ python
Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "build/bdist.macosx-10.6-universal/egg/restfulie/__init__.py", line 1, in <module>
File "build/bdist.macosx-10.6-universal/egg/restfulie/restfulie.py", line 1, in <module>
File "build/bdist.macosx-10.6-universal/egg/restfulie/dsl.py", line 1, in <module>
File "build/bdist.macosx-10.6-universal/egg/restfulie/processor.py", line 3, in <module>
File "build/bdist.macosx-10.6-universal/egg/restfulie/response.py", line 1, in <module>
File "build/bdist.macosx-10.6-universal/egg/restfulie/converters.py", line 5, in <module>
This error happened 5 mins ago. And it was the same at my work machine (using virtualenv).