Downloading/unpacking beaver from git+git://github.com/josegonzalez/beaver.git
Cloning git://github.com/josegonzalez/beaver.git to ./build/beaver
Found command 'git' at '/usr/bin/git'
Running command /usr/bin/git clone -q git://github.com/josegonzalez/beaver.git /root/build/beaver
Running setup.py egg_info for package beaver
error in Beaver setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers
Complete output from command python setup.py egg_info:
error in Beaver setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers

Command python setup.py egg_info failed with error code 1
Exception information:
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/pip/basecommand.py", line 126, in main
self.run(options, args)
File "/usr/lib/python2.6/site-packages/pip/commands/install.py", line 223, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "/usr/lib/python2.6/site-packages/pip/req.py", line 986, in prepare_files
req_to_install.run_egg_info()
File "/usr/lib/python2.6/site-packages/pip/req.py", line 222, in run_egg_info
command_desc='python setup.py egg_info')
File "/usr/lib/python2.6/site-packages/pip/init.py", line 254, in call_subprocess
% (command_desc, proc.returncode))
InstallationError: Command python setup.py egg_info failed with error code 1

Python Version:
python-pip-1.0.2-3.1.2.x86_64
python-libs-2.6.6-20.el6.x86_64
python-deltarpm-3.5-0.5.20090913git.el6.x86_64
libproxy-python-0.3.0-2.el6.x86_64
python-setuptools-0.6.10-3.el6.noarch
python-virtualenv-1.6.4-5.1.x86_64
python-pycurl-7.19.0-5.el6.x86_64
libxml2-python-2.7.6-4.el6.x86_64
python-urlgrabber-3.9.1-7.el6.noarch
python-iniparse-0.3.1-2.1.el6.noarch
python-2.6.6-20.el6.x86_64
python-decoratortools-1.7-4.1.el6.noarch

OS:
Scientific Linux release 6.3 (Carbon)

Pip log:

/usr/bin/pip run on Thu Apr 11 11:13:14 2013
Downloading/unpacking beaver==28
Running setup.py egg_info for package beaver
error in Beaver setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers
Complete output from command python setup.py egg_info:
error in Beaver setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers

Command python setup.py egg_info failed with error code 1
Exception information:
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/pip/basecommand.py", line 126, in main
self.run(options, args)
File "/usr/lib/python2.6/site-packages/pip/commands/install.py", line 223, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "/usr/lib/python2.6/site-packages/pip/req.py", line 986, in prepare_files
req_to_install.run_egg_info()
File "/usr/lib/python2.6/site-packages/pip/req.py", line 222, in run_egg_info
command_desc='python setup.py egg_info')
File "/usr/lib/python2.6/site-packages/pip/init.py", line 254, in call_subprocess
% (command_desc, proc.returncode))
InstallationError: Command python setup.py egg_info failed with error code 1