AttributeError: 'NoneType' object has no attribute 'clone'

easy_install-2.6 python-daemon==1.5.5

errors as follows:

Searching for python-daemon==1.5.5
Reading http://pypi.python.org/simple/python-daemon/
Download error: [Errno -3] Temporary failure in name resolution -- Some packages may not be found!
Couldn't find index page for 'python-daemon' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading http://pypi.python.org/simple/
Download error: [Errno -3] Temporary failure in name resolution -- Some packages may not be found!
No local packages or download links found for python-daemon==1.5.5
Best match: None
Traceback (most recent call last):
  File "/usr/bin/easy_install-2.6", line 8, in <module>
    load_entry_point('setuptools==0.6c11', 'console_scripts', 'easy_install-2.6')()
  File "/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg/setuptools/command/easy_install.py", line 1712, in main

  File "/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg/setuptools/command/easy_install.py", line 1700, in with_ei_usage

  File "/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg/setuptools/command/easy_install.py", line 1716, in <lambda>

  File "/usr/lib64/python2.6/distutils/core.py", line 152, in setup
    dist.run_commands()
  File "/usr/lib64/python2.6/distutils/dist.py", line 975, in run_commands
    self.run_command(cmd)
  File "/usr/lib64/python2.6/distutils/dist.py", line 995, in run_command
    cmd_obj.run()
  File "/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg/setuptools/command/easy_install.py", line 211, in run

  File "/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg/setuptools/command/easy_install.py", line 434, in easy_install

  File "/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg/setuptools/package_index.py", line 475, in fetch_distribution
AttributeError: 'NoneType' object has no attribute 'clone'

what can i do??????????